Home / 22,970.13-34,468.35-12,440.13

Finding the Fourth Proportional to 22,970.13, 34,468.35 and 12,440.13

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Solution

The fourth proportional to 22,970.13, 34,468.35 and 12,440.13 is: 18,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,970.13 : 34,468.35 = 12,440.13 : x
  2. Step 2: Convert to fraction form
    22,970.13/34,468.35 = 12,440.13/x
  3. Step 3: Cross multiply
    22,970.13x = 34,468.35 × 12,440.13
  4. Step 4: Simplify right side
    22,970.13x = 428,790,754.89
  5. Step 5: Solve for x
    x = 428,790,754.89/22,970.13
  6. Step 6: Final answer
    x = 18,667.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.