Home / 11,020.15-16,530.18-9,068.23

Finding the Fourth Proportional to 11,020.15, 16,530.18 and 9,068.23

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Solution

The fourth proportional to 11,020.15, 16,530.18 and 9,068.23 is: 13,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.15 : 16,530.18 = 9,068.23 : x
  2. Step 2: Convert to fraction form
    11,020.15/16,530.18 = 9,068.23/x
  3. Step 3: Cross multiply
    11,020.15x = 16,530.18 × 9,068.23
  4. Step 4: Simplify right side
    11,020.15x = 149,899,474.18
  5. Step 5: Solve for x
    x = 149,899,474.18/11,020.15
  6. Step 6: Final answer
    x = 13,602.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.