Home / 14,124.89-19,496.13-8,816.51

Finding the Fourth Proportional to 14,124.89, 19,496.13 and 8,816.51

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Solution

The fourth proportional to 14,124.89, 19,496.13 and 8,816.51 is: 12,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.89 : 19,496.13 = 8,816.51 : x
  2. Step 2: Convert to fraction form
    14,124.89/19,496.13 = 8,816.51/x
  3. Step 3: Cross multiply
    14,124.89x = 19,496.13 × 8,816.51
  4. Step 4: Simplify right side
    14,124.89x = 171,887,825.11
  5. Step 5: Solve for x
    x = 171,887,825.11/14,124.89
  6. Step 6: Final answer
    x = 12,169.14

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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.