Home / 26,287.78-36,276.10-14,351.10

Finding the Fourth Proportional to 26,287.78, 36,276.10 and 14,351.10

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Solution

The fourth proportional to 26,287.78, 36,276.10 and 14,351.10 is: 19,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.78 : 36,276.10 = 14,351.10 : x
  2. Step 2: Convert to fraction form
    26,287.78/36,276.10 = 14,351.10/x
  3. Step 3: Cross multiply
    26,287.78x = 36,276.10 × 14,351.10
  4. Step 4: Simplify right side
    26,287.78x = 520,601,938.71
  5. Step 5: Solve for x
    x = 520,601,938.71/26,287.78
  6. Step 6: Final answer
    x = 19,803.95

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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.