Home / 15,856.47-23,784.60-4,764.12

Finding the Fourth Proportional to 15,856.47, 23,784.60 and 4,764.12

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Solution

The fourth proportional to 15,856.47, 23,784.60 and 4,764.12 is: 7,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,856.47 : 23,784.60 = 4,764.12 : x
  2. Step 2: Convert to fraction form
    15,856.47/23,784.60 = 4,764.12/x
  3. Step 3: Cross multiply
    15,856.47x = 23,784.60 × 4,764.12
  4. Step 4: Simplify right side
    15,856.47x = 113,312,688.55
  5. Step 5: Solve for x
    x = 113,312,688.55/15,856.47
  6. Step 6: Final answer
    x = 7,146.15

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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.