Home / 26,115.28-36,038.88-14,178.38

Finding the Fourth Proportional to 26,115.28, 36,038.88 and 14,178.38

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Solution

The fourth proportional to 26,115.28, 36,038.88 and 14,178.38 is: 19,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.28 : 36,038.88 = 14,178.38 : x
  2. Step 2: Convert to fraction form
    26,115.28/36,038.88 = 14,178.38/x
  3. Step 3: Cross multiply
    26,115.28x = 36,038.88 × 14,178.38
  4. Step 4: Simplify right side
    26,115.28x = 510,972,755.22
  5. Step 5: Solve for x
    x = 510,972,755.22/26,115.28
  6. Step 6: Final answer
    x = 19,566.05

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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.