Home / 15,060.47-20,757.50-10,015.67

Finding the Fourth Proportional to 15,060.47, 20,757.50 and 10,015.67

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Solution

The fourth proportional to 15,060.47, 20,757.50 and 10,015.67 is: 13,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.47 : 20,757.50 = 10,015.67 : x
  2. Step 2: Convert to fraction form
    15,060.47/20,757.50 = 10,015.67/x
  3. Step 3: Cross multiply
    15,060.47x = 20,757.50 × 10,015.67
  4. Step 4: Simplify right side
    15,060.47x = 207,900,116.16
  5. Step 5: Solve for x
    x = 207,900,116.16/15,060.47
  6. Step 6: Final answer
    x = 13,804.36

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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.