Home / 18,751.28-25,875.96-10,253.24

Finding the Fourth Proportional to 18,751.28, 25,875.96 and 10,253.24

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Solution

The fourth proportional to 18,751.28, 25,875.96 and 10,253.24 is: 14,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.28 : 25,875.96 = 10,253.24 : x
  2. Step 2: Convert to fraction form
    18,751.28/25,875.96 = 10,253.24/x
  3. Step 3: Cross multiply
    18,751.28x = 25,875.96 × 10,253.24
  4. Step 4: Simplify right side
    18,751.28x = 265,312,428.11
  5. Step 5: Solve for x
    x = 265,312,428.11/18,751.28
  6. Step 6: Final answer
    x = 14,149.03

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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.