Home / 18,750.27-25,875.09-10,252.42

Finding the Fourth Proportional to 18,750.27, 25,875.09 and 10,252.42

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Solution

The fourth proportional to 18,750.27, 25,875.09 and 10,252.42 is: 14,148.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.27 : 25,875.09 = 10,252.42 : x
  2. Step 2: Convert to fraction form
    18,750.27/25,875.09 = 10,252.42/x
  3. Step 3: Cross multiply
    18,750.27x = 25,875.09 × 10,252.42
  4. Step 4: Simplify right side
    18,750.27x = 265,282,290.22
  5. Step 5: Solve for x
    x = 265,282,290.22/18,750.27
  6. Step 6: Final answer
    x = 14,148.19

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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.