Home / 13,767.66-18,979.44-10,177.38

Finding the Fourth Proportional to 13,767.66, 18,979.44 and 10,177.38

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Solution

The fourth proportional to 13,767.66, 18,979.44 and 10,177.38 is: 14,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.66 : 18,979.44 = 10,177.38 : x
  2. Step 2: Convert to fraction form
    13,767.66/18,979.44 = 10,177.38/x
  3. Step 3: Cross multiply
    13,767.66x = 18,979.44 × 10,177.38
  4. Step 4: Simplify right side
    13,767.66x = 193,160,973.07
  5. Step 5: Solve for x
    x = 193,160,973.07/13,767.66
  6. Step 6: Final answer
    x = 14,030.05

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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.