Home / 19,743.84-27,252.72-19,087.20

Finding the Fourth Proportional to 19,743.84, 27,252.72 and 19,087.20

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Solution

The fourth proportional to 19,743.84, 27,252.72 and 19,087.20 is: 26,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,743.84 : 27,252.72 = 19,087.20 : x
  2. Step 2: Convert to fraction form
    19,743.84/27,252.72 = 19,087.20/x
  3. Step 3: Cross multiply
    19,743.84x = 27,252.72 × 19,087.20
  4. Step 4: Simplify right side
    19,743.84x = 520,178,117.18
  5. Step 5: Solve for x
    x = 520,178,117.18/19,743.84
  6. Step 6: Final answer
    x = 26,346.35

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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.