Home / 25,926.80-38,890.20-17,632.40

Finding the Fourth Proportional to 25,926.80, 38,890.20 and 17,632.40

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Solution

The fourth proportional to 25,926.80, 38,890.20 and 17,632.40 is: 26,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,926.80 : 38,890.20 = 17,632.40 : x
  2. Step 2: Convert to fraction form
    25,926.80/38,890.20 = 17,632.40/x
  3. Step 3: Cross multiply
    25,926.80x = 38,890.20 × 17,632.40
  4. Step 4: Simplify right side
    25,926.80x = 685,727,562.48
  5. Step 5: Solve for x
    x = 685,727,562.48/25,926.80
  6. Step 6: Final answer
    x = 26,448.60

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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.