Home / 18,375.74-25,362.04-10,417.99

Finding the Fourth Proportional to 18,375.74, 25,362.04 and 10,417.99

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Solution

The fourth proportional to 18,375.74, 25,362.04 and 10,417.99 is: 14,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.74 : 25,362.04 = 10,417.99 : x
  2. Step 2: Convert to fraction form
    18,375.74/25,362.04 = 10,417.99/x
  3. Step 3: Cross multiply
    18,375.74x = 25,362.04 × 10,417.99
  4. Step 4: Simplify right side
    18,375.74x = 264,221,479.10
  5. Step 5: Solve for x
    x = 264,221,479.10/18,375.74
  6. Step 6: Final answer
    x = 14,378.82

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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.