Home / 14,176.81-19,561.66-7,887.97

Finding the Fourth Proportional to 14,176.81, 19,561.66 and 7,887.97

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Solution

The fourth proportional to 14,176.81, 19,561.66 and 7,887.97 is: 10,884.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.81 : 19,561.66 = 7,887.97 : x
  2. Step 2: Convert to fraction form
    14,176.81/19,561.66 = 7,887.97/x
  3. Step 3: Cross multiply
    14,176.81x = 19,561.66 × 7,887.97
  4. Step 4: Simplify right side
    14,176.81x = 154,301,787.23
  5. Step 5: Solve for x
    x = 154,301,787.23/14,176.81
  6. Step 6: Final answer
    x = 10,884.10

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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.