Home / 20,334.65-30,501.08-5,543.57

Finding the Fourth Proportional to 20,334.65, 30,501.08 and 5,543.57

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Solution

The fourth proportional to 20,334.65, 30,501.08 and 5,543.57 is: 8,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.65 : 30,501.08 = 5,543.57 : x
  2. Step 2: Convert to fraction form
    20,334.65/30,501.08 = 5,543.57/x
  3. Step 3: Cross multiply
    20,334.65x = 30,501.08 × 5,543.57
  4. Step 4: Simplify right side
    20,334.65x = 169,084,691.83
  5. Step 5: Solve for x
    x = 169,084,691.83/20,334.65
  6. Step 6: Final answer
    x = 8,315.10

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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.