Home / 18,375.04-25,357.86-10,417.10

Finding the Fourth Proportional to 18,375.04, 25,357.86 and 10,417.10

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Solution

The fourth proportional to 18,375.04, 25,357.86 and 10,417.10 is: 14,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.04 : 25,357.86 = 10,417.10 : x
  2. Step 2: Convert to fraction form
    18,375.04/25,357.86 = 10,417.10/x
  3. Step 3: Cross multiply
    18,375.04x = 25,357.86 × 10,417.10
  4. Step 4: Simplify right side
    18,375.04x = 264,155,311.32
  5. Step 5: Solve for x
    x = 264,155,311.32/18,375.04
  6. Step 6: Final answer
    x = 14,375.77

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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.