Home / 15,660.84-23,475.42-9,821.52

Finding the Fourth Proportional to 15,660.84, 23,475.42 and 9,821.52

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Solution

The fourth proportional to 15,660.84, 23,475.42 and 9,821.52 is: 14,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,660.84 : 23,475.42 = 9,821.52 : x
  2. Step 2: Convert to fraction form
    15,660.84/23,475.42 = 9,821.52/x
  3. Step 3: Cross multiply
    15,660.84x = 23,475.42 × 9,821.52
  4. Step 4: Simplify right side
    15,660.84x = 230,564,307.04
  5. Step 5: Solve for x
    x = 230,564,307.04/15,660.84
  6. Step 6: Final answer
    x = 14,722.35

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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.