Home / 26,331.45-36,332.35-15,000.69

Finding the Fourth Proportional to 26,331.45, 36,332.35 and 15,000.69

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Solution

The fourth proportional to 26,331.45, 36,332.35 and 15,000.69 is: 20,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,331.45 : 36,332.35 = 15,000.69 : x
  2. Step 2: Convert to fraction form
    26,331.45/36,332.35 = 15,000.69/x
  3. Step 3: Cross multiply
    26,331.45x = 36,332.35 × 15,000.69
  4. Step 4: Simplify right side
    26,331.45x = 545,010,319.32
  5. Step 5: Solve for x
    x = 545,010,319.32/26,331.45
  6. Step 6: Final answer
    x = 20,698.07

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Half scale
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Double scale
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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.