Home / 22,678.04-31,284.79-14,722.76

Finding the Fourth Proportional to 22,678.04, 31,284.79 and 14,722.76

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Solution

The fourth proportional to 22,678.04, 31,284.79 and 14,722.76 is: 20,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,678.04 : 31,284.79 = 14,722.76 : x
  2. Step 2: Convert to fraction form
    22,678.04/31,284.79 = 14,722.76/x
  3. Step 3: Cross multiply
    22,678.04x = 31,284.79 × 14,722.76
  4. Step 4: Simplify right side
    22,678.04x = 460,598,261.59
  5. Step 5: Solve for x
    x = 460,598,261.59/22,678.04
  6. Step 6: Final answer
    x = 20,310.33

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Double scale
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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.