Home / 13,802.88-19,045.35-8,767.92

Finding the Fourth Proportional to 13,802.88, 19,045.35 and 8,767.92

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Solution

The fourth proportional to 13,802.88, 19,045.35 and 8,767.92 is: 12,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.88 : 19,045.35 = 8,767.92 : x
  2. Step 2: Convert to fraction form
    13,802.88/19,045.35 = 8,767.92/x
  3. Step 3: Cross multiply
    13,802.88x = 19,045.35 × 8,767.92
  4. Step 4: Simplify right side
    13,802.88x = 166,988,105.17
  5. Step 5: Solve for x
    x = 166,988,105.17/13,802.88
  6. Step 6: Final answer
    x = 12,098.06

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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.