Home / 17,639.34-24,342.57-9,681.54

Finding the Fourth Proportional to 17,639.34, 24,342.57 and 9,681.54

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Solution

The fourth proportional to 17,639.34, 24,342.57 and 9,681.54 is: 13,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,639.34 : 24,342.57 = 9,681.54 : x
  2. Step 2: Convert to fraction form
    17,639.34/24,342.57 = 9,681.54/x
  3. Step 3: Cross multiply
    17,639.34x = 24,342.57 × 9,681.54
  4. Step 4: Simplify right side
    17,639.34x = 235,673,565.16
  5. Step 5: Solve for x
    x = 235,673,565.16/17,639.34
  6. Step 6: Final answer
    x = 13,360.68

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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.