Home / 15,044.28-20,730.78-12,410.16

Finding the Fourth Proportional to 15,044.28, 20,730.78 and 12,410.16

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Solution

The fourth proportional to 15,044.28, 20,730.78 and 12,410.16 is: 17,101.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.28 : 20,730.78 = 12,410.16 : x
  2. Step 2: Convert to fraction form
    15,044.28/20,730.78 = 12,410.16/x
  3. Step 3: Cross multiply
    15,044.28x = 20,730.78 × 12,410.16
  4. Step 4: Simplify right side
    15,044.28x = 257,272,296.72
  5. Step 5: Solve for x
    x = 257,272,296.72/15,044.28
  6. Step 6: Final answer
    x = 17,101.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.