Home / 22,607.90-31,199.67-12,535.75

Finding the Fourth Proportional to 22,607.90, 31,199.67 and 12,535.75

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Solution

The fourth proportional to 22,607.90, 31,199.67 and 12,535.75 is: 17,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.90 : 31,199.67 = 12,535.75 : x
  2. Step 2: Convert to fraction form
    22,607.90/31,199.67 = 12,535.75/x
  3. Step 3: Cross multiply
    22,607.90x = 31,199.67 × 12,535.75
  4. Step 4: Simplify right side
    22,607.90x = 391,111,263.20
  5. Step 5: Solve for x
    x = 391,111,263.20/22,607.90
  6. Step 6: Final answer
    x = 17,299.76

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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.