Home / 23,590.47-32,555.75-13,520.86

Finding the Fourth Proportional to 23,590.47, 32,555.75 and 13,520.86

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Solution

The fourth proportional to 23,590.47, 32,555.75 and 13,520.86 is: 18,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,590.47 : 32,555.75 = 13,520.86 : x
  2. Step 2: Convert to fraction form
    23,590.47/32,555.75 = 13,520.86/x
  3. Step 3: Cross multiply
    23,590.47x = 32,555.75 × 13,520.86
  4. Step 4: Simplify right side
    23,590.47x = 440,181,582.06
  5. Step 5: Solve for x
    x = 440,181,582.06/23,590.47
  6. Step 6: Final answer
    x = 18,659.29

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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.