Home / 23,920.08-33,011.01-13,309.94

Finding the Fourth Proportional to 23,920.08, 33,011.01 and 13,309.94

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Solution

The fourth proportional to 23,920.08, 33,011.01 and 13,309.94 is: 18,368.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,920.08 : 33,011.01 = 13,309.94 : x
  2. Step 2: Convert to fraction form
    23,920.08/33,011.01 = 13,309.94/x
  3. Step 3: Cross multiply
    23,920.08x = 33,011.01 × 13,309.94
  4. Step 4: Simplify right side
    23,920.08x = 439,374,595.05
  5. Step 5: Solve for x
    x = 439,374,595.05/23,920.08
  6. Step 6: Final answer
    x = 18,368.44

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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.