Home / 16,489.04-22,754.06-9,319.10

Finding the Fourth Proportional to 16,489.04, 22,754.06 and 9,319.10

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Solution

The fourth proportional to 16,489.04, 22,754.06 and 9,319.10 is: 12,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,489.04 : 22,754.06 = 9,319.10 : x
  2. Step 2: Convert to fraction form
    16,489.04/22,754.06 = 9,319.10/x
  3. Step 3: Cross multiply
    16,489.04x = 22,754.06 × 9,319.10
  4. Step 4: Simplify right side
    16,489.04x = 212,047,360.55
  5. Step 5: Solve for x
    x = 212,047,360.55/16,489.04
  6. Step 6: Final answer
    x = 12,859.90

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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.