Home / 17,420.40-24,047.01-11,758.50

Finding the Fourth Proportional to 17,420.40, 24,047.01 and 11,758.50

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Solution

The fourth proportional to 17,420.40, 24,047.01 and 11,758.50 is: 16,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.40 : 24,047.01 = 11,758.50 : x
  2. Step 2: Convert to fraction form
    17,420.40/24,047.01 = 11,758.50/x
  3. Step 3: Cross multiply
    17,420.40x = 24,047.01 × 11,758.50
  4. Step 4: Simplify right side
    17,420.40x = 282,756,767.09
  5. Step 5: Solve for x
    x = 282,756,767.09/17,420.40
  6. Step 6: Final answer
    x = 16,231.36

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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.