Home / 18,543.72-25,590.42-10,160.28

Finding the Fourth Proportional to 18,543.72, 25,590.42 and 10,160.28

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Solution

The fourth proportional to 18,543.72, 25,590.42 and 10,160.28 is: 14,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.72 : 25,590.42 = 10,160.28 : x
  2. Step 2: Convert to fraction form
    18,543.72/25,590.42 = 10,160.28/x
  3. Step 3: Cross multiply
    18,543.72x = 25,590.42 × 10,160.28
  4. Step 4: Simplify right side
    18,543.72x = 260,005,832.52
  5. Step 5: Solve for x
    x = 260,005,832.52/18,543.72
  6. Step 6: Final answer
    x = 14,021.23

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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.