Home / 15,566.40-21,480.84-9,598.64

Finding the Fourth Proportional to 15,566.40, 21,480.84 and 9,598.64

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Solution

The fourth proportional to 15,566.40, 21,480.84 and 9,598.64 is: 13,245.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.40 : 21,480.84 = 9,598.64 : x
  2. Step 2: Convert to fraction form
    15,566.40/21,480.84 = 9,598.64/x
  3. Step 3: Cross multiply
    15,566.40x = 21,480.84 × 9,598.64
  4. Step 4: Simplify right side
    15,566.40x = 206,186,850.06
  5. Step 5: Solve for x
    x = 206,186,850.06/15,566.40
  6. Step 6: Final answer
    x = 13,245.63

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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.