Home / 45,119.24-67,688.27-13,528.02

Finding the Fourth Proportional to 45,119.24, 67,688.27 and 13,528.02

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Solution

The fourth proportional to 45,119.24, 67,688.27 and 13,528.02 is: 20,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.24 : 67,688.27 = 13,528.02 : x
  2. Step 2: Convert to fraction form
    45,119.24/67,688.27 = 13,528.02/x
  3. Step 3: Cross multiply
    45,119.24x = 67,688.27 × 13,528.02
  4. Step 4: Simplify right side
    45,119.24x = 915,688,270.33
  5. Step 5: Solve for x
    x = 915,688,270.33/45,119.24
  6. Step 6: Final answer
    x = 20,294.85

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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.