Home / 17,721.53-24,455.70-9,763.76

Finding the Fourth Proportional to 17,721.53, 24,455.70 and 9,763.76

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Solution

The fourth proportional to 17,721.53, 24,455.70 and 9,763.76 is: 13,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.53 : 24,455.70 = 9,763.76 : x
  2. Step 2: Convert to fraction form
    17,721.53/24,455.70 = 9,763.76/x
  3. Step 3: Cross multiply
    17,721.53x = 24,455.70 × 9,763.76
  4. Step 4: Simplify right side
    17,721.53x = 238,779,585.43
  5. Step 5: Solve for x
    x = 238,779,585.43/17,721.53
  6. Step 6: Final answer
    x = 13,473.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.