Home / 22,275.51-30,740.19-12,204.58

Finding the Fourth Proportional to 22,275.51, 30,740.19 and 12,204.58

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Solution

The fourth proportional to 22,275.51, 30,740.19 and 12,204.58 is: 16,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,275.51 : 30,740.19 = 12,204.58 : x
  2. Step 2: Convert to fraction form
    22,275.51/30,740.19 = 12,204.58/x
  3. Step 3: Cross multiply
    22,275.51x = 30,740.19 × 12,204.58
  4. Step 4: Simplify right side
    22,275.51x = 375,170,970.20
  5. Step 5: Solve for x
    x = 375,170,970.20/22,275.51
  6. Step 6: Final answer
    x = 16,842.31

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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.