Home / 22,358.04-30,828.51-14,280.72

Finding the Fourth Proportional to 22,358.04, 30,828.51 and 14,280.72

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Solution

The fourth proportional to 22,358.04, 30,828.51 and 14,280.72 is: 19,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.04 : 30,828.51 = 14,280.72 : x
  2. Step 2: Convert to fraction form
    22,358.04/30,828.51 = 14,280.72/x
  3. Step 3: Cross multiply
    22,358.04x = 30,828.51 × 14,280.72
  4. Step 4: Simplify right side
    22,358.04x = 440,253,319.33
  5. Step 5: Solve for x
    x = 440,253,319.33/22,358.04
  6. Step 6: Final answer
    x = 19,691.05

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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.