Home / 15,670.02-21,625.06-8,596.90

Finding the Fourth Proportional to 15,670.02, 21,625.06 and 8,596.90

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Solution

The fourth proportional to 15,670.02, 21,625.06 and 8,596.90 is: 11,863.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.02 : 21,625.06 = 8,596.90 : x
  2. Step 2: Convert to fraction form
    15,670.02/21,625.06 = 8,596.90/x
  3. Step 3: Cross multiply
    15,670.02x = 21,625.06 × 8,596.90
  4. Step 4: Simplify right side
    15,670.02x = 185,908,478.31
  5. Step 5: Solve for x
    x = 185,908,478.31/15,670.02
  6. Step 6: Final answer
    x = 11,863.96

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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.