Home / 28,581.18-42,877.53-10,126.14

Finding the Fourth Proportional to 28,581.18, 42,877.53 and 10,126.14

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Solution

The fourth proportional to 28,581.18, 42,877.53 and 10,126.14 is: 15,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,581.18 : 42,877.53 = 10,126.14 : x
  2. Step 2: Convert to fraction form
    28,581.18/42,877.53 = 10,126.14/x
  3. Step 3: Cross multiply
    28,581.18x = 42,877.53 × 10,126.14
  4. Step 4: Simplify right side
    28,581.18x = 434,183,871.63
  5. Step 5: Solve for x
    x = 434,183,871.63/28,581.18
  6. Step 6: Final answer
    x = 15,191.25

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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.