Home / 14,081.24-21,135.13-8,826.77

Finding the Fourth Proportional to 14,081.24, 21,135.13 and 8,826.77

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Solution

The fourth proportional to 14,081.24, 21,135.13 and 8,826.77 is: 13,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.24 : 21,135.13 = 8,826.77 : x
  2. Step 2: Convert to fraction form
    14,081.24/21,135.13 = 8,826.77/x
  3. Step 3: Cross multiply
    14,081.24x = 21,135.13 × 8,826.77
  4. Step 4: Simplify right side
    14,081.24x = 186,554,962.20
  5. Step 5: Solve for x
    x = 186,554,962.20/14,081.24
  6. Step 6: Final answer
    x = 13,248.47

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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.