Home / 18,615.08-25,688.16-10,231.52

Finding the Fourth Proportional to 18,615.08, 25,688.16 and 10,231.52

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Solution

The fourth proportional to 18,615.08, 25,688.16 and 10,231.52 is: 14,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,615.08 : 25,688.16 = 10,231.52 : x
  2. Step 2: Convert to fraction form
    18,615.08/25,688.16 = 10,231.52/x
  3. Step 3: Cross multiply
    18,615.08x = 25,688.16 × 10,231.52
  4. Step 4: Simplify right side
    18,615.08x = 262,828,922.80
  5. Step 5: Solve for x
    x = 262,828,922.80/18,615.08
  6. Step 6: Final answer
    x = 14,119.14

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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.