Home / 27,918.94-38,526.13-15,982.10

Finding the Fourth Proportional to 27,918.94, 38,526.13 and 15,982.10

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Solution

The fourth proportional to 27,918.94, 38,526.13 and 15,982.10 is: 22,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,918.94 : 38,526.13 = 15,982.10 : x
  2. Step 2: Convert to fraction form
    27,918.94/38,526.13 = 15,982.10/x
  3. Step 3: Cross multiply
    27,918.94x = 38,526.13 × 15,982.10
  4. Step 4: Simplify right side
    27,918.94x = 615,728,462.27
  5. Step 5: Solve for x
    x = 615,728,462.27/27,918.94
  6. Step 6: Final answer
    x = 22,054.15

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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.