Home / 32,864.91-45,353.49-18,717.80

Finding the Fourth Proportional to 32,864.91, 45,353.49 and 18,717.80

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Solution

The fourth proportional to 32,864.91, 45,353.49 and 18,717.80 is: 25,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,864.91 : 45,353.49 = 18,717.80 : x
  2. Step 2: Convert to fraction form
    32,864.91/45,353.49 = 18,717.80/x
  3. Step 3: Cross multiply
    32,864.91x = 45,353.49 × 18,717.80
  4. Step 4: Simplify right side
    32,864.91x = 848,917,328.35
  5. Step 5: Solve for x
    x = 848,917,328.35/32,864.91
  6. Step 6: Final answer
    x = 25,830.51

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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.