Home / 18,023.52-27,036.65-4,875.71

Finding the Fourth Proportional to 18,023.52, 27,036.65 and 4,875.71

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Solution

The fourth proportional to 18,023.52, 27,036.65 and 4,875.71 is: 7,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.52 : 27,036.65 = 4,875.71 : x
  2. Step 2: Convert to fraction form
    18,023.52/27,036.65 = 4,875.71/x
  3. Step 3: Cross multiply
    18,023.52x = 27,036.65 × 4,875.71
  4. Step 4: Simplify right side
    18,023.52x = 131,822,705.21
  5. Step 5: Solve for x
    x = 131,822,705.21/18,023.52
  6. Step 6: Final answer
    x = 7,313.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.