Home / 25,337.65-38,012.67-17,855.80

Finding the Fourth Proportional to 25,337.65, 38,012.67 and 17,855.80

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Solution

The fourth proportional to 25,337.65, 38,012.67 and 17,855.80 is: 26,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,337.65 : 38,012.67 = 17,855.80 : x
  2. Step 2: Convert to fraction form
    25,337.65/38,012.67 = 17,855.80/x
  3. Step 3: Cross multiply
    25,337.65x = 38,012.67 × 17,855.80
  4. Step 4: Simplify right side
    25,337.65x = 678,746,613.54
  5. Step 5: Solve for x
    x = 678,746,613.54/25,337.65
  6. Step 6: Final answer
    x = 26,788.07

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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.