Home / 20,535.04-30,641.27-19,281.16

Finding the Fourth Proportional to 20,535.04, 30,641.27 and 19,281.16

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Solution

The fourth proportional to 20,535.04, 30,641.27 and 19,281.16 is: 28,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.04 : 30,641.27 = 19,281.16 : x
  2. Step 2: Convert to fraction form
    20,535.04/30,641.27 = 19,281.16/x
  3. Step 3: Cross multiply
    20,535.04x = 30,641.27 × 19,281.16
  4. Step 4: Simplify right side
    20,535.04x = 590,799,229.47
  5. Step 5: Solve for x
    x = 590,799,229.47/20,535.04
  6. Step 6: Final answer
    x = 28,770.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.