Home / 15,840.54-23,753.48-8,915.04

Finding the Fourth Proportional to 15,840.54, 23,753.48 and 8,915.04

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Solution

The fourth proportional to 15,840.54, 23,753.48 and 8,915.04 is: 13,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840.54 : 23,753.48 = 8,915.04 : x
  2. Step 2: Convert to fraction form
    15,840.54/23,753.48 = 8,915.04/x
  3. Step 3: Cross multiply
    15,840.54x = 23,753.48 × 8,915.04
  4. Step 4: Simplify right side
    15,840.54x = 211,763,224.34
  5. Step 5: Solve for x
    x = 211,763,224.34/15,840.54
  6. Step 6: Final answer
    x = 13,368.43

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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.