Home / 20,316.16-30,456.62-9,063.04

Finding the Fourth Proportional to 20,316.16, 30,456.62 and 9,063.04

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Solution

The fourth proportional to 20,316.16, 30,456.62 and 9,063.04 is: 13,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,316.16 : 30,456.62 = 9,063.04 : x
  2. Step 2: Convert to fraction form
    20,316.16/30,456.62 = 9,063.04/x
  3. Step 3: Cross multiply
    20,316.16x = 30,456.62 × 9,063.04
  4. Step 4: Simplify right side
    20,316.16x = 276,029,565.32
  5. Step 5: Solve for x
    x = 276,029,565.32/20,316.16
  6. Step 6: Final answer
    x = 13,586.70

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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.