Home / 28,164.48-42,246.72-9,443.04

Finding the Fourth Proportional to 28,164.48, 42,246.72 and 9,443.04

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Solution

The fourth proportional to 28,164.48, 42,246.72 and 9,443.04 is: 14,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.48 : 42,246.72 = 9,443.04 : x
  2. Step 2: Convert to fraction form
    28,164.48/42,246.72 = 9,443.04/x
  3. Step 3: Cross multiply
    28,164.48x = 42,246.72 × 9,443.04
  4. Step 4: Simplify right side
    28,164.48x = 398,937,466.83
  5. Step 5: Solve for x
    x = 398,937,466.83/28,164.48
  6. Step 6: Final answer
    x = 14,164.56

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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.