Home / 15,607.08-21,534.84-9,232.20

Finding the Fourth Proportional to 15,607.08, 21,534.84 and 9,232.20

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Solution

The fourth proportional to 15,607.08, 21,534.84 and 9,232.20 is: 12,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.08 : 21,534.84 = 9,232.20 : x
  2. Step 2: Convert to fraction form
    15,607.08/21,534.84 = 9,232.20/x
  3. Step 3: Cross multiply
    15,607.08x = 21,534.84 × 9,232.20
  4. Step 4: Simplify right side
    15,607.08x = 198,813,949.85
  5. Step 5: Solve for x
    x = 198,813,949.85/15,607.08
  6. Step 6: Final answer
    x = 12,738.70

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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.