Home / 22,346.66-30,838.34-12,275.08

Finding the Fourth Proportional to 22,346.66, 30,838.34 and 12,275.08

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Solution

The fourth proportional to 22,346.66, 30,838.34 and 12,275.08 is: 16,939.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.66 : 30,838.34 = 12,275.08 : x
  2. Step 2: Convert to fraction form
    22,346.66/30,838.34 = 12,275.08/x
  3. Step 3: Cross multiply
    22,346.66x = 30,838.34 × 12,275.08
  4. Step 4: Simplify right side
    22,346.66x = 378,542,875.00
  5. Step 5: Solve for x
    x = 378,542,875.00/22,346.66
  6. Step 6: Final answer
    x = 16,939.57

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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.