Home / 13,088.39-18,065.63-8,053.43

Finding the Fourth Proportional to 13,088.39, 18,065.63 and 8,053.43

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Solution

The fourth proportional to 13,088.39, 18,065.63 and 8,053.43 is: 11,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088.39 : 18,065.63 = 8,053.43 : x
  2. Step 2: Convert to fraction form
    13,088.39/18,065.63 = 8,053.43/x
  3. Step 3: Cross multiply
    13,088.39x = 18,065.63 × 8,053.43
  4. Step 4: Simplify right side
    13,088.39x = 145,490,216.42
  5. Step 5: Solve for x
    x = 145,490,216.42/13,088.39
  6. Step 6: Final answer
    x = 11,115.98

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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.