Home / 38,569.53-57,859.47-13,603.71

Finding the Fourth Proportional to 38,569.53, 57,859.47 and 13,603.71

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Solution

The fourth proportional to 38,569.53, 57,859.47 and 13,603.71 is: 20,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,569.53 : 57,859.47 = 13,603.71 : x
  2. Step 2: Convert to fraction form
    38,569.53/57,859.47 = 13,603.71/x
  3. Step 3: Cross multiply
    38,569.53x = 57,859.47 × 13,603.71
  4. Step 4: Simplify right side
    38,569.53x = 787,103,450.63
  5. Step 5: Solve for x
    x = 787,103,450.63/38,569.53
  6. Step 6: Final answer
    x = 20,407.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.