Home / 22,635.12-31,235.87-12,563.30

Finding the Fourth Proportional to 22,635.12, 31,235.87 and 12,563.30

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Solution

The fourth proportional to 22,635.12, 31,235.87 and 12,563.30 is: 17,337.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.12 : 31,235.87 = 12,563.30 : x
  2. Step 2: Convert to fraction form
    22,635.12/31,235.87 = 12,563.30/x
  3. Step 3: Cross multiply
    22,635.12x = 31,235.87 × 12,563.30
  4. Step 4: Simplify right side
    22,635.12x = 392,425,386.58
  5. Step 5: Solve for x
    x = 392,425,386.58/22,635.12
  6. Step 6: Final answer
    x = 17,337.01

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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.