Home / 15,557.76-23,333.76-5,166.72

Finding the Fourth Proportional to 15,557.76, 23,333.76 and 5,166.72

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Solution

The fourth proportional to 15,557.76, 23,333.76 and 5,166.72 is: 7,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.76 : 23,333.76 = 5,166.72 : x
  2. Step 2: Convert to fraction form
    15,557.76/23,333.76 = 5,166.72/x
  3. Step 3: Cross multiply
    15,557.76x = 23,333.76 × 5,166.72
  4. Step 4: Simplify right side
    15,557.76x = 120,559,004.47
  5. Step 5: Solve for x
    x = 120,559,004.47/15,557.76
  6. Step 6: Final answer
    x = 7,749.12

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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.