Home / 13,360.96-19,959.52-9,631.36

Finding the Fourth Proportional to 13,360.96, 19,959.52 and 9,631.36

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Solution

The fourth proportional to 13,360.96, 19,959.52 and 9,631.36 is: 14,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.96 : 19,959.52 = 9,631.36 : x
  2. Step 2: Convert to fraction form
    13,360.96/19,959.52 = 9,631.36/x
  3. Step 3: Cross multiply
    13,360.96x = 19,959.52 × 9,631.36
  4. Step 4: Simplify right side
    13,360.96x = 192,237,322.55
  5. Step 5: Solve for x
    x = 192,237,322.55/13,360.96
  6. Step 6: Final answer
    x = 14,387.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.