Home / 22,345.23-30,836.79-12,274.10

Finding the Fourth Proportional to 22,345.23, 30,836.79 and 12,274.10

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Solution

The fourth proportional to 22,345.23, 30,836.79 and 12,274.10 is: 16,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345.23 : 30,836.79 = 12,274.10 : x
  2. Step 2: Convert to fraction form
    22,345.23/30,836.79 = 12,274.10/x
  3. Step 3: Cross multiply
    22,345.23x = 30,836.79 × 12,274.10
  4. Step 4: Simplify right side
    22,345.23x = 378,493,689.96
  5. Step 5: Solve for x
    x = 378,493,689.96/22,345.23
  6. Step 6: Final answer
    x = 16,938.46

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Half scale
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Double scale
Find fourth proportional to 22,346.23, 30,838.17 and 12,275.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.