Home / 26,193.48-36,130.68-15,979.86

Finding the Fourth Proportional to 26,193.48, 36,130.68 and 15,979.86

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Solution

The fourth proportional to 26,193.48, 36,130.68 and 15,979.86 is: 22,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,193.48 : 36,130.68 = 15,979.86 : x
  2. Step 2: Convert to fraction form
    26,193.48/36,130.68 = 15,979.86/x
  3. Step 3: Cross multiply
    26,193.48x = 36,130.68 × 15,979.86
  4. Step 4: Simplify right side
    26,193.48x = 577,363,208.10
  5. Step 5: Solve for x
    x = 577,363,208.10/26,193.48
  6. Step 6: Final answer
    x = 22,042.25

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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.