Home / 14,979.11-22,461.71-8,740.91

Finding the Fourth Proportional to 14,979.11, 22,461.71 and 8,740.91

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Solution

The fourth proportional to 14,979.11, 22,461.71 and 8,740.91 is: 13,107.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.11 : 22,461.71 = 8,740.91 : x
  2. Step 2: Convert to fraction form
    14,979.11/22,461.71 = 8,740.91/x
  3. Step 3: Cross multiply
    14,979.11x = 22,461.71 × 8,740.91
  4. Step 4: Simplify right side
    14,979.11x = 196,335,798.01
  5. Step 5: Solve for x
    x = 196,335,798.01/14,979.11
  6. Step 6: Final answer
    x = 13,107.31

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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.