Home / 16,397.85-22,632.40-10,428.37

Finding the Fourth Proportional to 16,397.85, 22,632.40 and 10,428.37

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Solution

The fourth proportional to 16,397.85, 22,632.40 and 10,428.37 is: 14,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397.85 : 22,632.40 = 10,428.37 : x
  2. Step 2: Convert to fraction form
    16,397.85/22,632.40 = 10,428.37/x
  3. Step 3: Cross multiply
    16,397.85x = 22,632.40 × 10,428.37
  4. Step 4: Simplify right side
    16,397.85x = 236,018,958.54
  5. Step 5: Solve for x
    x = 236,018,958.54/16,397.85
  6. Step 6: Final answer
    x = 14,393.29

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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.