Home / 15,056.72-20,771.28-9,753.32

Finding the Fourth Proportional to 15,056.72, 20,771.28 and 9,753.32

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Solution

The fourth proportional to 15,056.72, 20,771.28 and 9,753.32 is: 13,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,056.72 : 20,771.28 = 9,753.32 : x
  2. Step 2: Convert to fraction form
    15,056.72/20,771.28 = 9,753.32/x
  3. Step 3: Cross multiply
    15,056.72x = 20,771.28 × 9,753.32
  4. Step 4: Simplify right side
    15,056.72x = 202,588,940.65
  5. Step 5: Solve for x
    x = 202,588,940.65/15,056.72
  6. Step 6: Final answer
    x = 13,455.05

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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.