Home / 18,927.22-26,119.56-10,974.06

Finding the Fourth Proportional to 18,927.22, 26,119.56 and 10,974.06

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Solution

The fourth proportional to 18,927.22, 26,119.56 and 10,974.06 is: 15,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927.22 : 26,119.56 = 10,974.06 : x
  2. Step 2: Convert to fraction form
    18,927.22/26,119.56 = 10,974.06/x
  3. Step 3: Cross multiply
    18,927.22x = 26,119.56 × 10,974.06
  4. Step 4: Simplify right side
    18,927.22x = 286,637,618.61
  5. Step 5: Solve for x
    x = 286,637,618.61/18,927.22
  6. Step 6: Final answer
    x = 15,144.20

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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.