Home / 16,303.48-22,499.16-9,930.38

Finding the Fourth Proportional to 16,303.48, 22,499.16 and 9,930.38

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Solution

The fourth proportional to 16,303.48, 22,499.16 and 9,930.38 is: 13,704.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.48 : 22,499.16 = 9,930.38 : x
  2. Step 2: Convert to fraction form
    16,303.48/22,499.16 = 9,930.38/x
  3. Step 3: Cross multiply
    16,303.48x = 22,499.16 × 9,930.38
  4. Step 4: Simplify right side
    16,303.48x = 223,425,208.48
  5. Step 5: Solve for x
    x = 223,425,208.48/16,303.48
  6. Step 6: Final answer
    x = 13,704.14

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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.