Home / 15,384.47-23,079.80-4,856.12

Finding the Fourth Proportional to 15,384.47, 23,079.80 and 4,856.12

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Solution

The fourth proportional to 15,384.47, 23,079.80 and 4,856.12 is: 7,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.47 : 23,079.80 = 4,856.12 : x
  2. Step 2: Convert to fraction form
    15,384.47/23,079.80 = 4,856.12/x
  3. Step 3: Cross multiply
    15,384.47x = 23,079.80 × 4,856.12
  4. Step 4: Simplify right side
    15,384.47x = 112,078,261.67
  5. Step 5: Solve for x
    x = 112,078,261.67/15,384.47
  6. Step 6: Final answer
    x = 7,285.16

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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.