Home / 15,042.03-22,549.65-7,139.67

Finding the Fourth Proportional to 15,042.03, 22,549.65 and 7,139.67

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Solution

The fourth proportional to 15,042.03, 22,549.65 and 7,139.67 is: 10,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,042.03 : 22,549.65 = 7,139.67 : x
  2. Step 2: Convert to fraction form
    15,042.03/22,549.65 = 7,139.67/x
  3. Step 3: Cross multiply
    15,042.03x = 22,549.65 × 7,139.67
  4. Step 4: Simplify right side
    15,042.03x = 160,997,059.62
  5. Step 5: Solve for x
    x = 160,997,059.62/15,042.03
  6. Step 6: Final answer
    x = 10,703.15

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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.