Home / 15,776.40-23,632.20-10,851.60

Finding the Fourth Proportional to 15,776.40, 23,632.20 and 10,851.60

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Solution

The fourth proportional to 15,776.40, 23,632.20 and 10,851.60 is: 16,255.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,776.40 : 23,632.20 = 10,851.60 : x
  2. Step 2: Convert to fraction form
    15,776.40/23,632.20 = 10,851.60/x
  3. Step 3: Cross multiply
    15,776.40x = 23,632.20 × 10,851.60
  4. Step 4: Simplify right side
    15,776.40x = 256,447,181.52
  5. Step 5: Solve for x
    x = 256,447,181.52/15,776.40
  6. Step 6: Final answer
    x = 16,255.11

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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.