Home / 25,073.40-37,536.30-18,528.78

Finding the Fourth Proportional to 25,073.40, 37,536.30 and 18,528.78

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Solution

The fourth proportional to 25,073.40, 37,536.30 and 18,528.78 is: 27,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,073.40 : 37,536.30 = 18,528.78 : x
  2. Step 2: Convert to fraction form
    25,073.40/37,536.30 = 18,528.78/x
  3. Step 3: Cross multiply
    25,073.40x = 37,536.30 × 18,528.78
  4. Step 4: Simplify right side
    25,073.40x = 695,501,844.71
  5. Step 5: Solve for x
    x = 695,501,844.71/25,073.40
  6. Step 6: Final answer
    x = 27,738.63

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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.