Home / 51,986.84-77,972.13-16,926.26

Finding the Fourth Proportional to 51,986.84, 77,972.13 and 16,926.26

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Solution

The fourth proportional to 51,986.84, 77,972.13 and 16,926.26 is: 25,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,986.84 : 77,972.13 = 16,926.26 : x
  2. Step 2: Convert to fraction form
    51,986.84/77,972.13 = 16,926.26/x
  3. Step 3: Cross multiply
    51,986.84x = 77,972.13 × 16,926.26
  4. Step 4: Simplify right side
    51,986.84x = 1,319,776,740.06
  5. Step 5: Solve for x
    x = 1,319,776,740.06/51,986.84
  6. Step 6: Final answer
    x = 25,386.75

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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.