Home / 15,596.73-21,520.98-9,630.36

Finding the Fourth Proportional to 15,596.73, 21,520.98 and 9,630.36

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Solution

The fourth proportional to 15,596.73, 21,520.98 and 9,630.36 is: 13,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.73 : 21,520.98 = 9,630.36 : x
  2. Step 2: Convert to fraction form
    15,596.73/21,520.98 = 9,630.36/x
  3. Step 3: Cross multiply
    15,596.73x = 21,520.98 × 9,630.36
  4. Step 4: Simplify right side
    15,596.73x = 207,254,784.95
  5. Step 5: Solve for x
    x = 207,254,784.95/15,596.73
  6. Step 6: Final answer
    x = 13,288.35

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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.