Home / 15,476.13-23,225.47-5,616.20

Finding the Fourth Proportional to 15,476.13, 23,225.47 and 5,616.20

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Solution

The fourth proportional to 15,476.13, 23,225.47 and 5,616.20 is: 8,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.13 : 23,225.47 = 5,616.20 : x
  2. Step 2: Convert to fraction form
    15,476.13/23,225.47 = 5,616.20/x
  3. Step 3: Cross multiply
    15,476.13x = 23,225.47 × 5,616.20
  4. Step 4: Simplify right side
    15,476.13x = 130,438,928.64
  5. Step 5: Solve for x
    x = 130,438,928.64/15,476.13
  6. Step 6: Final answer
    x = 8,428.39

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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.