Home / 18,527.16-25,567.18-10,143.48

Finding the Fourth Proportional to 18,527.16, 25,567.18 and 10,143.48

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Solution

The fourth proportional to 18,527.16, 25,567.18 and 10,143.48 is: 13,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,527.16 : 25,567.18 = 10,143.48 : x
  2. Step 2: Convert to fraction form
    18,527.16/25,567.18 = 10,143.48/x
  3. Step 3: Cross multiply
    18,527.16x = 25,567.18 × 10,143.48
  4. Step 4: Simplify right side
    18,527.16x = 259,340,178.99
  5. Step 5: Solve for x
    x = 259,340,178.99/18,527.16
  6. Step 6: Final answer
    x = 13,997.84

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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.