Home / 18,040.24-27,070.08-13,656.64

Finding the Fourth Proportional to 18,040.24, 27,070.08 and 13,656.64

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Solution

The fourth proportional to 18,040.24, 27,070.08 and 13,656.64 is: 20,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,040.24 : 27,070.08 = 13,656.64 : x
  2. Step 2: Convert to fraction form
    18,040.24/27,070.08 = 13,656.64/x
  3. Step 3: Cross multiply
    18,040.24x = 27,070.08 × 13,656.64
  4. Step 4: Simplify right side
    18,040.24x = 369,686,337.33
  5. Step 5: Solve for x
    x = 369,686,337.33/18,040.24
  6. Step 6: Final answer
    x = 20,492.32

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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.