Home / 27,051.52-40,574.40-12,816.56

Finding the Fourth Proportional to 27,051.52, 40,574.40 and 12,816.56

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Solution

The fourth proportional to 27,051.52, 40,574.40 and 12,816.56 is: 19,223.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,051.52 : 40,574.40 = 12,816.56 : x
  2. Step 2: Convert to fraction form
    27,051.52/40,574.40 = 12,816.56/x
  3. Step 3: Cross multiply
    27,051.52x = 40,574.40 × 12,816.56
  4. Step 4: Simplify right side
    27,051.52x = 520,024,232.06
  5. Step 5: Solve for x
    x = 520,024,232.06/27,051.52
  6. Step 6: Final answer
    x = 19,223.48

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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.