Home / 15,670.14-21,625.29-8,597.04

Finding the Fourth Proportional to 15,670.14, 21,625.29 and 8,597.04

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Solution

The fourth proportional to 15,670.14, 21,625.29 and 8,597.04 is: 11,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.14 : 21,625.29 = 8,597.04 : x
  2. Step 2: Convert to fraction form
    15,670.14/21,625.29 = 8,597.04/x
  3. Step 3: Cross multiply
    15,670.14x = 21,625.29 × 8,597.04
  4. Step 4: Simplify right side
    15,670.14x = 185,913,483.14
  5. Step 5: Solve for x
    x = 185,913,483.14/15,670.14
  6. Step 6: Final answer
    x = 11,864.19

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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.