Home / 18,088.08-27,138.80-7,559.24

Finding the Fourth Proportional to 18,088.08, 27,138.80 and 7,559.24

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Solution

The fourth proportional to 18,088.08, 27,138.80 and 7,559.24 is: 11,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.08 : 27,138.80 = 7,559.24 : x
  2. Step 2: Convert to fraction form
    18,088.08/27,138.80 = 7,559.24/x
  3. Step 3: Cross multiply
    18,088.08x = 27,138.80 × 7,559.24
  4. Step 4: Simplify right side
    18,088.08x = 205,148,702.51
  5. Step 5: Solve for x
    x = 205,148,702.51/18,088.08
  6. Step 6: Final answer
    x = 11,341.65

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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.