Home / 28,341.08-42,474.68-17,663.04

Finding the Fourth Proportional to 28,341.08, 42,474.68 and 17,663.04

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Solution

The fourth proportional to 28,341.08, 42,474.68 and 17,663.04 is: 26,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,341.08 : 42,474.68 = 17,663.04 : x
  2. Step 2: Convert to fraction form
    28,341.08/42,474.68 = 17,663.04/x
  3. Step 3: Cross multiply
    28,341.08x = 42,474.68 × 17,663.04
  4. Step 4: Simplify right side
    28,341.08x = 750,231,971.83
  5. Step 5: Solve for x
    x = 750,231,971.83/28,341.08
  6. Step 6: Final answer
    x = 26,471.54

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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.