Home / 18,966.01-28,448.20-6,487.15

Finding the Fourth Proportional to 18,966.01, 28,448.20 and 6,487.15

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Solution

The fourth proportional to 18,966.01, 28,448.20 and 6,487.15 is: 9,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,966.01 : 28,448.20 = 6,487.15 : x
  2. Step 2: Convert to fraction form
    18,966.01/28,448.20 = 6,487.15/x
  3. Step 3: Cross multiply
    18,966.01x = 28,448.20 × 6,487.15
  4. Step 4: Simplify right side
    18,966.01x = 184,547,565.95
  5. Step 5: Solve for x
    x = 184,547,565.95/18,966.01
  6. Step 6: Final answer
    x = 9,730.44

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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.