Home / 22,503.29-31,052.48-12,431.52

Finding the Fourth Proportional to 22,503.29, 31,052.48 and 12,431.52

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Solution

The fourth proportional to 22,503.29, 31,052.48 and 12,431.52 is: 17,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.29 : 31,052.48 = 12,431.52 : x
  2. Step 2: Convert to fraction form
    22,503.29/31,052.48 = 12,431.52/x
  3. Step 3: Cross multiply
    22,503.29x = 31,052.48 × 12,431.52
  4. Step 4: Simplify right side
    22,503.29x = 386,029,464.01
  5. Step 5: Solve for x
    x = 386,029,464.01/22,503.29
  6. Step 6: Final answer
    x = 17,154.36

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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.