Home / 19,344.60-29,148.69-15,911.52

Finding the Fourth Proportional to 19,344.60, 29,148.69 and 15,911.52

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Solution

The fourth proportional to 19,344.60, 29,148.69 and 15,911.52 is: 23,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,344.60 : 29,148.69 = 15,911.52 : x
  2. Step 2: Convert to fraction form
    19,344.60/29,148.69 = 15,911.52/x
  3. Step 3: Cross multiply
    19,344.60x = 29,148.69 × 15,911.52
  4. Step 4: Simplify right side
    19,344.60x = 463,799,963.91
  5. Step 5: Solve for x
    x = 463,799,963.91/19,344.60
  6. Step 6: Final answer
    x = 23,975.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.