Home / 22,440.08-30,967.52-12,368.90

Finding the Fourth Proportional to 22,440.08, 30,967.52 and 12,368.90

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Solution

The fourth proportional to 22,440.08, 30,967.52 and 12,368.90 is: 17,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,440.08 : 30,967.52 = 12,368.90 : x
  2. Step 2: Convert to fraction form
    22,440.08/30,967.52 = 12,368.90/x
  3. Step 3: Cross multiply
    22,440.08x = 30,967.52 × 12,368.90
  4. Step 4: Simplify right side
    22,440.08x = 383,034,158.13
  5. Step 5: Solve for x
    x = 383,034,158.13/22,440.08
  6. Step 6: Final answer
    x = 17,069.20

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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.