Home / 19,752.40-29,475.71-17,649.55

Finding the Fourth Proportional to 19,752.40, 29,475.71 and 17,649.55

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Solution

The fourth proportional to 19,752.40, 29,475.71 and 17,649.55 is: 26,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,752.40 : 29,475.71 = 17,649.55 : x
  2. Step 2: Convert to fraction form
    19,752.40/29,475.71 = 17,649.55/x
  3. Step 3: Cross multiply
    19,752.40x = 29,475.71 × 17,649.55
  4. Step 4: Simplify right side
    19,752.40x = 520,233,017.43
  5. Step 5: Solve for x
    x = 520,233,017.43/19,752.40
  6. Step 6: Final answer
    x = 26,337.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.