Home / 14,080.91-19,429.29-8,417.95

Finding the Fourth Proportional to 14,080.91, 19,429.29 and 8,417.95

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Solution

The fourth proportional to 14,080.91, 19,429.29 and 8,417.95 is: 11,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080.91 : 19,429.29 = 8,417.95 : x
  2. Step 2: Convert to fraction form
    14,080.91/19,429.29 = 8,417.95/x
  3. Step 3: Cross multiply
    14,080.91x = 19,429.29 × 8,417.95
  4. Step 4: Simplify right side
    14,080.91x = 163,554,743.18
  5. Step 5: Solve for x
    x = 163,554,743.18/14,080.91
  6. Step 6: Final answer
    x = 11,615.36

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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.