Home / 19,069.75-26,317.88-10,687.87

Finding the Fourth Proportional to 19,069.75, 26,317.88 and 10,687.87

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Solution

The fourth proportional to 19,069.75, 26,317.88 and 10,687.87 is: 14,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.75 : 26,317.88 = 10,687.87 : x
  2. Step 2: Convert to fraction form
    19,069.75/26,317.88 = 10,687.87/x
  3. Step 3: Cross multiply
    19,069.75x = 26,317.88 × 10,687.87
  4. Step 4: Simplify right side
    19,069.75x = 281,282,080.12
  5. Step 5: Solve for x
    x = 281,282,080.12/19,069.75
  6. Step 6: Final answer
    x = 14,750.17

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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.