Home / 22,487.16-31,030.92-13,537.56

Finding the Fourth Proportional to 22,487.16, 31,030.92 and 13,537.56

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Solution

The fourth proportional to 22,487.16, 31,030.92 and 13,537.56 is: 18,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,487.16 : 31,030.92 = 13,537.56 : x
  2. Step 2: Convert to fraction form
    22,487.16/31,030.92 = 13,537.56/x
  3. Step 3: Cross multiply
    22,487.16x = 31,030.92 × 13,537.56
  4. Step 4: Simplify right side
    22,487.16x = 420,082,941.36
  5. Step 5: Solve for x
    x = 420,082,941.36/22,487.16
  6. Step 6: Final answer
    x = 18,681.01

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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.