Home / 32,813.13-45,281.72-18,665.94

Finding the Fourth Proportional to 32,813.13, 45,281.72 and 18,665.94

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Solution

The fourth proportional to 32,813.13, 45,281.72 and 18,665.94 is: 25,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.13 : 45,281.72 = 18,665.94 : x
  2. Step 2: Convert to fraction form
    32,813.13/45,281.72 = 18,665.94/x
  3. Step 3: Cross multiply
    32,813.13x = 45,281.72 × 18,665.94
  4. Step 4: Simplify right side
    32,813.13x = 845,225,775.29
  5. Step 5: Solve for x
    x = 845,225,775.29/32,813.13
  6. Step 6: Final answer
    x = 25,758.77

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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.