Home / 51,915.66-77,864.97-14,478.27

Finding the Fourth Proportional to 51,915.66, 77,864.97 and 14,478.27

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Solution

The fourth proportional to 51,915.66, 77,864.97 and 14,478.27 is: 21,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,915.66 : 77,864.97 = 14,478.27 : x
  2. Step 2: Convert to fraction form
    51,915.66/77,864.97 = 14,478.27/x
  3. Step 3: Cross multiply
    51,915.66x = 77,864.97 × 14,478.27
  4. Step 4: Simplify right side
    51,915.66x = 1,127,350,059.20
  5. Step 5: Solve for x
    x = 1,127,350,059.20/51,915.66
  6. Step 6: Final answer
    x = 21,715.03

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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.