Home / 22,765.19-31,402.43-17,721.43

Finding the Fourth Proportional to 22,765.19, 31,402.43 and 17,721.43

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Solution

The fourth proportional to 22,765.19, 31,402.43 and 17,721.43 is: 24,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,765.19 : 31,402.43 = 17,721.43 : x
  2. Step 2: Convert to fraction form
    22,765.19/31,402.43 = 17,721.43/x
  3. Step 3: Cross multiply
    22,765.19x = 31,402.43 × 17,721.43
  4. Step 4: Simplify right side
    22,765.19x = 556,495,719.46
  5. Step 5: Solve for x
    x = 556,495,719.46/22,765.19
  6. Step 6: Final answer
    x = 24,445.03

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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.