Home / 15,915.93-23,870.75-4,820.01

Finding the Fourth Proportional to 15,915.93, 23,870.75 and 4,820.01

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Solution

The fourth proportional to 15,915.93, 23,870.75 and 4,820.01 is: 7,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.93 : 23,870.75 = 4,820.01 : x
  2. Step 2: Convert to fraction form
    15,915.93/23,870.75 = 4,820.01/x
  3. Step 3: Cross multiply
    15,915.93x = 23,870.75 × 4,820.01
  4. Step 4: Simplify right side
    15,915.93x = 115,057,229.61
  5. Step 5: Solve for x
    x = 115,057,229.61/15,915.93
  6. Step 6: Final answer
    x = 7,229.06

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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.