Home / 22,919.13-34,380.36-14,615.40

Finding the Fourth Proportional to 22,919.13, 34,380.36 and 14,615.40

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Solution

The fourth proportional to 22,919.13, 34,380.36 and 14,615.40 is: 21,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.13 : 34,380.36 = 14,615.40 : x
  2. Step 2: Convert to fraction form
    22,919.13/34,380.36 = 14,615.40/x
  3. Step 3: Cross multiply
    22,919.13x = 34,380.36 × 14,615.40
  4. Step 4: Simplify right side
    22,919.13x = 502,482,713.54
  5. Step 5: Solve for x
    x = 502,482,713.54/22,919.13
  6. Step 6: Final answer
    x = 21,924.16

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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.