Home / 18,375.03-25,356.65-10,417.32

Finding the Fourth Proportional to 18,375.03, 25,356.65 and 10,417.32

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Solution

The fourth proportional to 18,375.03, 25,356.65 and 10,417.32 is: 14,375.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.03 : 25,356.65 = 10,417.32 : x
  2. Step 2: Convert to fraction form
    18,375.03/25,356.65 = 10,417.32/x
  3. Step 3: Cross multiply
    18,375.03x = 25,356.65 × 10,417.32
  4. Step 4: Simplify right side
    18,375.03x = 264,148,285.09
  5. Step 5: Solve for x
    x = 264,148,285.09/18,375.03
  6. Step 6: Final answer
    x = 14,375.39

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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.