Home / 13,088.09-18,064.68-8,055.56

Finding the Fourth Proportional to 13,088.09, 18,064.68 and 8,055.56

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Solution

The fourth proportional to 13,088.09, 18,064.68 and 8,055.56 is: 11,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.09 : 18,064.68 = 8,055.56 : x
  2. Step 2: Convert to fraction form
    13,088.09/18,064.68 = 8,055.56/x
  3. Step 3: Cross multiply
    13,088.09x = 18,064.68 × 8,055.56
  4. Step 4: Simplify right side
    13,088.09x = 145,521,113.62
  5. Step 5: Solve for x
    x = 145,521,113.62/13,088.09
  6. Step 6: Final answer
    x = 11,118.59

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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.