Home / 24,478.81-33,780.67-13,870.47

Finding the Fourth Proportional to 24,478.81, 33,780.67 and 13,870.47

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Solution

The fourth proportional to 24,478.81, 33,780.67 and 13,870.47 is: 19,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,478.81 : 33,780.67 = 13,870.47 : x
  2. Step 2: Convert to fraction form
    24,478.81/33,780.67 = 13,870.47/x
  3. Step 3: Cross multiply
    24,478.81x = 33,780.67 × 13,870.47
  4. Step 4: Simplify right side
    24,478.81x = 468,553,769.81
  5. Step 5: Solve for x
    x = 468,553,769.81/24,478.81
  6. Step 6: Final answer
    x = 19,141.20

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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.