Home / 16,290.72-22,424.40-14,059.68

Finding the Fourth Proportional to 16,290.72, 22,424.40 and 14,059.68

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Solution

The fourth proportional to 16,290.72, 22,424.40 and 14,059.68 is: 19,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.72 : 22,424.40 = 14,059.68 : x
  2. Step 2: Convert to fraction form
    16,290.72/22,424.40 = 14,059.68/x
  3. Step 3: Cross multiply
    16,290.72x = 22,424.40 × 14,059.68
  4. Step 4: Simplify right side
    16,290.72x = 315,279,888.19
  5. Step 5: Solve for x
    x = 315,279,888.19/16,290.72
  6. Step 6: Final answer
    x = 19,353.34

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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.