Home / 28,073.24-42,080.58-11,426.60

Finding the Fourth Proportional to 28,073.24, 42,080.58 and 11,426.60

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Solution

The fourth proportional to 28,073.24, 42,080.58 and 11,426.60 is: 17,127.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073.24 : 42,080.58 = 11,426.60 : x
  2. Step 2: Convert to fraction form
    28,073.24/42,080.58 = 11,426.60/x
  3. Step 3: Cross multiply
    28,073.24x = 42,080.58 × 11,426.60
  4. Step 4: Simplify right side
    28,073.24x = 480,837,955.43
  5. Step 5: Solve for x
    x = 480,837,955.43/28,073.24
  6. Step 6: Final answer
    x = 17,127.98

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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.