Home / 17,643.40-26,459.22-5,164.13

Finding the Fourth Proportional to 17,643.40, 26,459.22 and 5,164.13

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Solution

The fourth proportional to 17,643.40, 26,459.22 and 5,164.13 is: 7,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,643.40 : 26,459.22 = 5,164.13 : x
  2. Step 2: Convert to fraction form
    17,643.40/26,459.22 = 5,164.13/x
  3. Step 3: Cross multiply
    17,643.40x = 26,459.22 × 5,164.13
  4. Step 4: Simplify right side
    17,643.40x = 136,638,851.78
  5. Step 5: Solve for x
    x = 136,638,851.78/17,643.40
  6. Step 6: Final answer
    x = 7,744.47

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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.