Home / 21,342.74-32,017.86-7,299.47

Finding the Fourth Proportional to 21,342.74, 32,017.86 and 7,299.47

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Solution

The fourth proportional to 21,342.74, 32,017.86 and 7,299.47 is: 10,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342.74 : 32,017.86 = 7,299.47 : x
  2. Step 2: Convert to fraction form
    21,342.74/32,017.86 = 7,299.47/x
  3. Step 3: Cross multiply
    21,342.74x = 32,017.86 × 7,299.47
  4. Step 4: Simplify right side
    21,342.74x = 233,713,248.44
  5. Step 5: Solve for x
    x = 233,713,248.44/21,342.74
  6. Step 6: Final answer
    x = 10,950.48

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1.5x scale

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.