Home / 18,486.27-25,510.64-10,102.59

Finding the Fourth Proportional to 18,486.27, 25,510.64 and 10,102.59

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Solution

The fourth proportional to 18,486.27, 25,510.64 and 10,102.59 is: 13,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.27 : 25,510.64 = 10,102.59 : x
  2. Step 2: Convert to fraction form
    18,486.27/25,510.64 = 10,102.59/x
  3. Step 3: Cross multiply
    18,486.27x = 25,510.64 × 10,102.59
  4. Step 4: Simplify right side
    18,486.27x = 257,723,486.04
  5. Step 5: Solve for x
    x = 257,723,486.04/18,486.27
  6. Step 6: Final answer
    x = 13,941.35

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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.