Home / 14,178.48-19,561.89-8,045.17

Finding the Fourth Proportional to 14,178.48, 19,561.89 and 8,045.17

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Solution

The fourth proportional to 14,178.48, 19,561.89 and 8,045.17 is: 11,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.48 : 19,561.89 = 8,045.17 : x
  2. Step 2: Convert to fraction form
    14,178.48/19,561.89 = 8,045.17/x
  3. Step 3: Cross multiply
    14,178.48x = 19,561.89 × 8,045.17
  4. Step 4: Simplify right side
    14,178.48x = 157,378,730.57
  5. Step 5: Solve for x
    x = 157,378,730.57/14,178.48
  6. Step 6: Final answer
    x = 11,099.83

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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.