Home / 19,915.47-29,847.69-10,032.66

Finding the Fourth Proportional to 19,915.47, 29,847.69 and 10,032.66

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Solution

The fourth proportional to 19,915.47, 29,847.69 and 10,032.66 is: 15,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,915.47 : 29,847.69 = 10,032.66 : x
  2. Step 2: Convert to fraction form
    19,915.47/29,847.69 = 10,032.66/x
  3. Step 3: Cross multiply
    19,915.47x = 29,847.69 × 10,032.66
  4. Step 4: Simplify right side
    19,915.47x = 299,451,725.56
  5. Step 5: Solve for x
    x = 299,451,725.56/19,915.47
  6. Step 6: Final answer
    x = 15,036.14

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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.