Home / 22,876.02-31,558.41-13,437.90

Finding the Fourth Proportional to 22,876.02, 31,558.41 and 13,437.90

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Solution

The fourth proportional to 22,876.02, 31,558.41 and 13,437.90 is: 18,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,876.02 : 31,558.41 = 13,437.90 : x
  2. Step 2: Convert to fraction form
    22,876.02/31,558.41 = 13,437.90/x
  3. Step 3: Cross multiply
    22,876.02x = 31,558.41 × 13,437.90
  4. Step 4: Simplify right side
    22,876.02x = 424,078,757.74
  5. Step 5: Solve for x
    x = 424,078,757.74/22,876.02
  6. Step 6: Final answer
    x = 18,538.14

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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.