Home / 18,932.68-26,128.02-10,973.48

Finding the Fourth Proportional to 18,932.68, 26,128.02 and 10,973.48

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Solution

The fourth proportional to 18,932.68, 26,128.02 and 10,973.48 is: 15,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.68 : 26,128.02 = 10,973.48 : x
  2. Step 2: Convert to fraction form
    18,932.68/26,128.02 = 10,973.48/x
  3. Step 3: Cross multiply
    18,932.68x = 26,128.02 × 10,973.48
  4. Step 4: Simplify right side
    18,932.68x = 286,715,304.91
  5. Step 5: Solve for x
    x = 286,715,304.91/18,932.68
  6. Step 6: Final answer
    x = 15,143.94

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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.