Home / 17,639.48-24,342.39-9,681.84

Finding the Fourth Proportional to 17,639.48, 24,342.39 and 9,681.84

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Solution

The fourth proportional to 17,639.48, 24,342.39 and 9,681.84 is: 13,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.48 : 24,342.39 = 9,681.84 : x
  2. Step 2: Convert to fraction form
    17,639.48/24,342.39 = 9,681.84/x
  3. Step 3: Cross multiply
    17,639.48x = 24,342.39 × 9,681.84
  4. Step 4: Simplify right side
    17,639.48x = 235,679,125.20
  5. Step 5: Solve for x
    x = 235,679,125.20/17,639.48
  6. Step 6: Final answer
    x = 13,360.89

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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.