Home / 15,061.47-20,758.87-10,016.67

Finding the Fourth Proportional to 15,061.47, 20,758.87 and 10,016.67

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Solution

The fourth proportional to 15,061.47, 20,758.87 and 10,016.67 is: 13,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.47 : 20,758.87 = 10,016.67 : x
  2. Step 2: Convert to fraction form
    15,061.47/20,758.87 = 10,016.67/x
  3. Step 3: Cross multiply
    15,061.47x = 20,758.87 × 10,016.67
  4. Step 4: Simplify right side
    15,061.47x = 207,934,750.36
  5. Step 5: Solve for x
    x = 207,934,750.36/15,061.47
  6. Step 6: Final answer
    x = 13,805.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.