Home / 25,699.50-38,549.93-8,169.32

Finding the Fourth Proportional to 25,699.50, 38,549.93 and 8,169.32

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Solution

The fourth proportional to 25,699.50, 38,549.93 and 8,169.32 is: 12,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.50 : 38,549.93 = 8,169.32 : x
  2. Step 2: Convert to fraction form
    25,699.50/38,549.93 = 8,169.32/x
  3. Step 3: Cross multiply
    25,699.50x = 38,549.93 × 8,169.32
  4. Step 4: Simplify right side
    25,699.50x = 314,926,769.68
  5. Step 5: Solve for x
    x = 314,926,769.68/25,699.50
  6. Step 6: Final answer
    x = 12,254.20

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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.