Home / 14,203.44-19,601.52-7,915.92

Finding the Fourth Proportional to 14,203.44, 19,601.52 and 7,915.92

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Solution

The fourth proportional to 14,203.44, 19,601.52 and 7,915.92 is: 10,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.44 : 19,601.52 = 7,915.92 : x
  2. Step 2: Convert to fraction form
    14,203.44/19,601.52 = 7,915.92/x
  3. Step 3: Cross multiply
    14,203.44x = 19,601.52 × 7,915.92
  4. Step 4: Simplify right side
    14,203.44x = 155,164,064.20
  5. Step 5: Solve for x
    x = 155,164,064.20/14,203.44
  6. Step 6: Final answer
    x = 10,924.40

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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.