Home / 13,976.01-19,293.28-9,384.47

Finding the Fourth Proportional to 13,976.01, 19,293.28 and 9,384.47

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Solution

The fourth proportional to 13,976.01, 19,293.28 and 9,384.47 is: 12,954.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.01 : 19,293.28 = 9,384.47 : x
  2. Step 2: Convert to fraction form
    13,976.01/19,293.28 = 9,384.47/x
  3. Step 3: Cross multiply
    13,976.01x = 19,293.28 × 9,384.47
  4. Step 4: Simplify right side
    13,976.01x = 181,057,159.78
  5. Step 5: Solve for x
    x = 181,057,159.78/13,976.01
  6. Step 6: Final answer
    x = 12,954.85

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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.