Home / 14,127.45-19,496.75-9,339.08

Finding the Fourth Proportional to 14,127.45, 19,496.75 and 9,339.08

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Solution

The fourth proportional to 14,127.45, 19,496.75 and 9,339.08 is: 12,888.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.45 : 19,496.75 = 9,339.08 : x
  2. Step 2: Convert to fraction form
    14,127.45/19,496.75 = 9,339.08/x
  3. Step 3: Cross multiply
    14,127.45x = 19,496.75 × 9,339.08
  4. Step 4: Simplify right side
    14,127.45x = 182,081,780.08
  5. Step 5: Solve for x
    x = 182,081,780.08/14,127.45
  6. Step 6: Final answer
    x = 12,888.51

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Half scale
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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.