Home / 14,243.92-19,641.52-9,774.24

Finding the Fourth Proportional to 14,243.92, 19,641.52 and 9,774.24

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Solution

The fourth proportional to 14,243.92, 19,641.52 and 9,774.24 is: 13,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,243.92 : 19,641.52 = 9,774.24 : x
  2. Step 2: Convert to fraction form
    14,243.92/19,641.52 = 9,774.24/x
  3. Step 3: Cross multiply
    14,243.92x = 19,641.52 × 9,774.24
  4. Step 4: Simplify right side
    14,243.92x = 191,980,930.44
  5. Step 5: Solve for x
    x = 191,980,930.44/14,243.92
  6. Step 6: Final answer
    x = 13,478.10

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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.