Home / 18,926.68-26,118.48-10,543

Finding the Fourth Proportional to 18,926.68, 26,118.48 and 10,543

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Solution

The fourth proportional to 18,926.68, 26,118.48 and 10,543 is: 14,549.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.68 : 26,118.48 = 10,543 : x
  2. Step 2: Convert to fraction form
    18,926.68/26,118.48 = 10,543/x
  3. Step 3: Cross multiply
    18,926.68x = 26,118.48 × 10,543
  4. Step 4: Simplify right side
    18,926.68x = 275,367,134.64
  5. Step 5: Solve for x
    x = 275,367,134.64/18,926.68
  6. Step 6: Final answer
    x = 14,549.15

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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.