Home / 32,886.24-45,384.24-18,738.72

Finding the Fourth Proportional to 32,886.24, 45,384.24 and 18,738.72

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Solution

The fourth proportional to 32,886.24, 45,384.24 and 18,738.72 is: 25,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,886.24 : 45,384.24 = 18,738.72 : x
  2. Step 2: Convert to fraction form
    32,886.24/45,384.24 = 18,738.72/x
  3. Step 3: Cross multiply
    32,886.24x = 45,384.24 × 18,738.72
  4. Step 4: Simplify right side
    32,886.24x = 850,442,565.77
  5. Step 5: Solve for x
    x = 850,442,565.77/32,886.24
  6. Step 6: Final answer
    x = 25,860.13

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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.