Home / 32,961.40-45,486.16-18,813.94

Finding the Fourth Proportional to 32,961.40, 45,486.16 and 18,813.94

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Solution

The fourth proportional to 32,961.40, 45,486.16 and 18,813.94 is: 25,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.40 : 45,486.16 = 18,813.94 : x
  2. Step 2: Convert to fraction form
    32,961.40/45,486.16 = 18,813.94/x
  3. Step 3: Cross multiply
    32,961.40x = 45,486.16 × 18,813.94
  4. Step 4: Simplify right side
    32,961.40x = 855,773,724.32
  5. Step 5: Solve for x
    x = 855,773,724.32/32,961.40
  6. Step 6: Final answer
    x = 25,962.91

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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.