Home / 14,139.06-19,514.67-9,359.10

Finding the Fourth Proportional to 14,139.06, 19,514.67 and 9,359.10

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Solution

The fourth proportional to 14,139.06, 19,514.67 and 9,359.10 is: 12,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,139.06 : 19,514.67 = 9,359.10 : x
  2. Step 2: Convert to fraction form
    14,139.06/19,514.67 = 9,359.10/x
  3. Step 3: Cross multiply
    14,139.06x = 19,514.67 × 9,359.10
  4. Step 4: Simplify right side
    14,139.06x = 182,639,748.00
  5. Step 5: Solve for x
    x = 182,639,748.00/14,139.06
  6. Step 6: Final answer
    x = 12,917.39

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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.