Home / 16,317.74-22,515.24-9,603.68

Finding the Fourth Proportional to 16,317.74, 22,515.24 and 9,603.68

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Solution

The fourth proportional to 16,317.74, 22,515.24 and 9,603.68 is: 13,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.74 : 22,515.24 = 9,603.68 : x
  2. Step 2: Convert to fraction form
    16,317.74/22,515.24 = 9,603.68/x
  3. Step 3: Cross multiply
    16,317.74x = 22,515.24 × 9,603.68
  4. Step 4: Simplify right side
    16,317.74x = 216,229,160.08
  5. Step 5: Solve for x
    x = 216,229,160.08/16,317.74
  6. Step 6: Final answer
    x = 13,251.17

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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.