Home / 15,932.16-23,888.52-7,155

Finding the Fourth Proportional to 15,932.16, 23,888.52 and 7,155

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Solution

The fourth proportional to 15,932.16, 23,888.52 and 7,155 is: 10,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.16 : 23,888.52 = 7,155 : x
  2. Step 2: Convert to fraction form
    15,932.16/23,888.52 = 7,155/x
  3. Step 3: Cross multiply
    15,932.16x = 23,888.52 × 7,155
  4. Step 4: Simplify right side
    15,932.16x = 170,922,360.60
  5. Step 5: Solve for x
    x = 170,922,360.60/15,932.16
  6. Step 6: Final answer
    x = 10,728.13

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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.