Home / 17,870.09-24,660.68-9,913.50

Finding the Fourth Proportional to 17,870.09, 24,660.68 and 9,913.50

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Solution

The fourth proportional to 17,870.09, 24,660.68 and 9,913.50 is: 13,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.09 : 24,660.68 = 9,913.50 : x
  2. Step 2: Convert to fraction form
    17,870.09/24,660.68 = 9,913.50/x
  3. Step 3: Cross multiply
    17,870.09x = 24,660.68 × 9,913.50
  4. Step 4: Simplify right side
    17,870.09x = 244,473,601.61
  5. Step 5: Solve for x
    x = 244,473,601.61/17,870.09
  6. Step 6: Final answer
    x = 13,680.61

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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.