Home / 22,607.40-31,196.85-12,535.25

Finding the Fourth Proportional to 22,607.40, 31,196.85 and 12,535.25

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Solution

The fourth proportional to 22,607.40, 31,196.85 and 12,535.25 is: 17,297.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.40 : 31,196.85 = 12,535.25 : x
  2. Step 2: Convert to fraction form
    22,607.40/31,196.85 = 12,535.25/x
  3. Step 3: Cross multiply
    22,607.40x = 31,196.85 × 12,535.25
  4. Step 4: Simplify right side
    22,607.40x = 391,060,313.96
  5. Step 5: Solve for x
    x = 391,060,313.96/22,607.40
  6. Step 6: Final answer
    x = 17,297.89

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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.