Home / 16,133.51-22,260.35-9,415.31

Finding the Fourth Proportional to 16,133.51, 22,260.35 and 9,415.31

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Solution

The fourth proportional to 16,133.51, 22,260.35 and 9,415.31 is: 12,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,133.51 : 22,260.35 = 9,415.31 : x
  2. Step 2: Convert to fraction form
    16,133.51/22,260.35 = 9,415.31/x
  3. Step 3: Cross multiply
    16,133.51x = 22,260.35 × 9,415.31
  4. Step 4: Simplify right side
    16,133.51x = 209,588,008.20
  5. Step 5: Solve for x
    x = 209,588,008.20/16,133.51
  6. Step 6: Final answer
    x = 12,990.85

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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.