Home / 25,557.02-38,323.39-8,915.03

Finding the Fourth Proportional to 25,557.02, 38,323.39 and 8,915.03

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Solution

The fourth proportional to 25,557.02, 38,323.39 and 8,915.03 is: 13,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.02 : 38,323.39 = 8,915.03 : x
  2. Step 2: Convert to fraction form
    25,557.02/38,323.39 = 8,915.03/x
  3. Step 3: Cross multiply
    25,557.02x = 38,323.39 × 8,915.03
  4. Step 4: Simplify right side
    25,557.02x = 341,654,171.55
  5. Step 5: Solve for x
    x = 341,654,171.55/25,557.02
  6. Step 6: Final answer
    x = 13,368.31

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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.