Home / 18,375.96-25,356.72-10,417.71

Finding the Fourth Proportional to 18,375.96, 25,356.72 and 10,417.71

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Solution

The fourth proportional to 18,375.96, 25,356.72 and 10,417.71 is: 14,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.96 : 25,356.72 = 10,417.71 : x
  2. Step 2: Convert to fraction form
    18,375.96/25,356.72 = 10,417.71/x
  3. Step 3: Cross multiply
    18,375.96x = 25,356.72 × 10,417.71
  4. Step 4: Simplify right side
    18,375.96x = 264,158,955.51
  5. Step 5: Solve for x
    x = 264,158,955.51/18,375.96
  6. Step 6: Final answer
    x = 14,375.25

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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.