Home / 27,276.06-37,639.35-15,176.22

Finding the Fourth Proportional to 27,276.06, 37,639.35 and 15,176.22

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Solution

The fourth proportional to 27,276.06, 37,639.35 and 15,176.22 is: 20,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.06 : 37,639.35 = 15,176.22 : x
  2. Step 2: Convert to fraction form
    27,276.06/37,639.35 = 15,176.22/x
  3. Step 3: Cross multiply
    27,276.06x = 37,639.35 × 15,176.22
  4. Step 4: Simplify right side
    27,276.06x = 571,223,056.26
  5. Step 5: Solve for x
    x = 571,223,056.26/27,276.06
  6. Step 6: Final answer
    x = 20,942.29

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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.