Home / 15,981.48-22,056.12-9,610.16

Finding the Fourth Proportional to 15,981.48, 22,056.12 and 9,610.16

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Solution

The fourth proportional to 15,981.48, 22,056.12 and 9,610.16 is: 13,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,981.48 : 22,056.12 = 9,610.16 : x
  2. Step 2: Convert to fraction form
    15,981.48/22,056.12 = 9,610.16/x
  3. Step 3: Cross multiply
    15,981.48x = 22,056.12 × 9,610.16
  4. Step 4: Simplify right side
    15,981.48x = 211,962,731.90
  5. Step 5: Solve for x
    x = 211,962,731.90/15,981.48
  6. Step 6: Final answer
    x = 13,263.02

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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.