Home / 32,890.92-45,389.40-18,743.76

Finding the Fourth Proportional to 32,890.92, 45,389.40 and 18,743.76

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Solution

The fourth proportional to 32,890.92, 45,389.40 and 18,743.76 is: 25,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890.92 : 45,389.40 = 18,743.76 : x
  2. Step 2: Convert to fraction form
    32,890.92/45,389.40 = 18,743.76/x
  3. Step 3: Cross multiply
    32,890.92x = 45,389.40 × 18,743.76
  4. Step 4: Simplify right side
    32,890.92x = 850,768,020.14
  5. Step 5: Solve for x
    x = 850,768,020.14/32,890.92
  6. Step 6: Final answer
    x = 25,866.35

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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.