Home / 16,764.11-23,133.88-9,210.45

Finding the Fourth Proportional to 16,764.11, 23,133.88 and 9,210.45

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Solution

The fourth proportional to 16,764.11, 23,133.88 and 9,210.45 is: 12,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.11 : 23,133.88 = 9,210.45 : x
  2. Step 2: Convert to fraction form
    16,764.11/23,133.88 = 9,210.45/x
  3. Step 3: Cross multiply
    16,764.11x = 23,133.88 × 9,210.45
  4. Step 4: Simplify right side
    16,764.11x = 213,073,422.02
  5. Step 5: Solve for x
    x = 213,073,422.02/16,764.11
  6. Step 6: Final answer
    x = 12,710.10

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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.