Home / 14,165.11-19,547.43-7,791.70

Finding the Fourth Proportional to 14,165.11, 19,547.43 and 7,791.70

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Solution

The fourth proportional to 14,165.11, 19,547.43 and 7,791.70 is: 10,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.11 : 19,547.43 = 7,791.70 : x
  2. Step 2: Convert to fraction form
    14,165.11/19,547.43 = 7,791.70/x
  3. Step 3: Cross multiply
    14,165.11x = 19,547.43 × 7,791.70
  4. Step 4: Simplify right side
    14,165.11x = 152,307,710.33
  5. Step 5: Solve for x
    x = 152,307,710.33/14,165.11
  6. Step 6: Final answer
    x = 10,752.31

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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.