Home / 18,926.43-26,118.48-10,973.28

Finding the Fourth Proportional to 18,926.43, 26,118.48 and 10,973.28

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Solution

The fourth proportional to 18,926.43, 26,118.48 and 10,973.28 is: 15,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.43 : 26,118.48 = 10,973.28 : x
  2. Step 2: Convert to fraction form
    18,926.43/26,118.48 = 10,973.28/x
  3. Step 3: Cross multiply
    18,926.43x = 26,118.48 × 10,973.28
  4. Step 4: Simplify right side
    18,926.43x = 286,605,394.21
  5. Step 5: Solve for x
    x = 286,605,394.21/18,926.43
  6. Step 6: Final answer
    x = 15,143.13

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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.