Home / 21,590.80-32,386.20-16,061.20

Finding the Fourth Proportional to 21,590.80, 32,386.20 and 16,061.20

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Solution

The fourth proportional to 21,590.80, 32,386.20 and 16,061.20 is: 24,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.80 : 32,386.20 = 16,061.20 : x
  2. Step 2: Convert to fraction form
    21,590.80/32,386.20 = 16,061.20/x
  3. Step 3: Cross multiply
    21,590.80x = 32,386.20 × 16,061.20
  4. Step 4: Simplify right side
    21,590.80x = 520,161,235.44
  5. Step 5: Solve for x
    x = 520,161,235.44/21,590.80
  6. Step 6: Final answer
    x = 24,091.80

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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.