Home / 21,527.19-29,722.01-19,251.47

Finding the Fourth Proportional to 21,527.19, 29,722.01 and 19,251.47

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Solution

The fourth proportional to 21,527.19, 29,722.01 and 19,251.47 is: 26,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.19 : 29,722.01 = 19,251.47 : x
  2. Step 2: Convert to fraction form
    21,527.19/29,722.01 = 19,251.47/x
  3. Step 3: Cross multiply
    21,527.19x = 29,722.01 × 19,251.47
  4. Step 4: Simplify right side
    21,527.19x = 572,192,235.24
  5. Step 5: Solve for x
    x = 572,192,235.24/21,527.19
  6. Step 6: Final answer
    x = 26,579.98

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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.