Home / 15,749.28-23,621.88-4,657.14

Finding the Fourth Proportional to 15,749.28, 23,621.88 and 4,657.14

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Solution

The fourth proportional to 15,749.28, 23,621.88 and 4,657.14 is: 6,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.28 : 23,621.88 = 4,657.14 : x
  2. Step 2: Convert to fraction form
    15,749.28/23,621.88 = 4,657.14/x
  3. Step 3: Cross multiply
    15,749.28x = 23,621.88 × 4,657.14
  4. Step 4: Simplify right side
    15,749.28x = 110,010,402.22
  5. Step 5: Solve for x
    x = 110,010,402.22/15,749.28
  6. Step 6: Final answer
    x = 6,985.11

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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.