Home / 18,124.59-27,206.77-14,400.31

Finding the Fourth Proportional to 18,124.59, 27,206.77 and 14,400.31

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Solution

The fourth proportional to 18,124.59, 27,206.77 and 14,400.31 is: 21,616.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.59 : 27,206.77 = 14,400.31 : x
  2. Step 2: Convert to fraction form
    18,124.59/27,206.77 = 14,400.31/x
  3. Step 3: Cross multiply
    18,124.59x = 27,206.77 × 14,400.31
  4. Step 4: Simplify right side
    18,124.59x = 391,785,714.06
  5. Step 5: Solve for x
    x = 391,785,714.06/18,124.59
  6. Step 6: Final answer
    x = 21,616.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.