Home / 16,765.36-23,147.02-10,398.72

Finding the Fourth Proportional to 16,765.36, 23,147.02 and 10,398.72

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Solution

The fourth proportional to 16,765.36, 23,147.02 and 10,398.72 is: 14,356.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.36 : 23,147.02 = 10,398.72 : x
  2. Step 2: Convert to fraction form
    16,765.36/23,147.02 = 10,398.72/x
  3. Step 3: Cross multiply
    16,765.36x = 23,147.02 × 10,398.72
  4. Step 4: Simplify right side
    16,765.36x = 240,699,379.81
  5. Step 5: Solve for x
    x = 240,699,379.81/16,765.36
  6. Step 6: Final answer
    x = 14,356.95

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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.