Home / 26,200.20-39,275.60-13,040.13

Finding the Fourth Proportional to 26,200.20, 39,275.60 and 13,040.13

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Solution

The fourth proportional to 26,200.20, 39,275.60 and 13,040.13 is: 19,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,200.20 : 39,275.60 = 13,040.13 : x
  2. Step 2: Convert to fraction form
    26,200.20/39,275.60 = 13,040.13/x
  3. Step 3: Cross multiply
    26,200.20x = 39,275.60 × 13,040.13
  4. Step 4: Simplify right side
    26,200.20x = 512,158,864.63
  5. Step 5: Solve for x
    x = 512,158,864.63/26,200.20
  6. Step 6: Final answer
    x = 19,547.90

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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.