Home / 17,653.47-26,459.32-7,772.10

Finding the Fourth Proportional to 17,653.47, 26,459.32 and 7,772.10

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Solution

The fourth proportional to 17,653.47, 26,459.32 and 7,772.10 is: 11,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.47 : 26,459.32 = 7,772.10 : x
  2. Step 2: Convert to fraction form
    17,653.47/26,459.32 = 7,772.10/x
  3. Step 3: Cross multiply
    17,653.47x = 26,459.32 × 7,772.10
  4. Step 4: Simplify right side
    17,653.47x = 205,644,480.97
  5. Step 5: Solve for x
    x = 205,644,480.97/17,653.47
  6. Step 6: Final answer
    x = 11,648.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.