Home / 15,152.51-20,937.58-11,803.97

Finding the Fourth Proportional to 15,152.51, 20,937.58 and 11,803.97

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Solution

The fourth proportional to 15,152.51, 20,937.58 and 11,803.97 is: 16,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.51 : 20,937.58 = 11,803.97 : x
  2. Step 2: Convert to fraction form
    15,152.51/20,937.58 = 11,803.97/x
  3. Step 3: Cross multiply
    15,152.51x = 20,937.58 × 11,803.97
  4. Step 4: Simplify right side
    15,152.51x = 247,146,566.19
  5. Step 5: Solve for x
    x = 247,146,566.19/15,152.51
  6. Step 6: Final answer
    x = 16,310.60

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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.