Home / 15,630.36-21,565.62-10,044.60

Finding the Fourth Proportional to 15,630.36, 21,565.62 and 10,044.60

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Solution

The fourth proportional to 15,630.36, 21,565.62 and 10,044.60 is: 13,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.36 : 21,565.62 = 10,044.60 : x
  2. Step 2: Convert to fraction form
    15,630.36/21,565.62 = 10,044.60/x
  3. Step 3: Cross multiply
    15,630.36x = 21,565.62 × 10,044.60
  4. Step 4: Simplify right side
    15,630.36x = 216,618,026.65
  5. Step 5: Solve for x
    x = 216,618,026.65/15,630.36
  6. Step 6: Final answer
    x = 13,858.80

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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.