Home / 26,115.20-36,038.98-14,178.52

Finding the Fourth Proportional to 26,115.20, 36,038.98 and 14,178.52

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Solution

The fourth proportional to 26,115.20, 36,038.98 and 14,178.52 is: 19,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.20 : 36,038.98 = 14,178.52 : x
  2. Step 2: Convert to fraction form
    26,115.20/36,038.98 = 14,178.52/x
  3. Step 3: Cross multiply
    26,115.20x = 36,038.98 × 14,178.52
  4. Step 4: Simplify right side
    26,115.20x = 510,979,398.71
  5. Step 5: Solve for x
    x = 510,979,398.71/26,115.20
  6. Step 6: Final answer
    x = 19,566.36

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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.