Home / 25,700.96-35,466.60-15,629.66

Finding the Fourth Proportional to 25,700.96, 35,466.60 and 15,629.66

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Solution

The fourth proportional to 25,700.96, 35,466.60 and 15,629.66 is: 21,568.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.96 : 35,466.60 = 15,629.66 : x
  2. Step 2: Convert to fraction form
    25,700.96/35,466.60 = 15,629.66/x
  3. Step 3: Cross multiply
    25,700.96x = 35,466.60 × 15,629.66
  4. Step 4: Simplify right side
    25,700.96x = 554,330,899.36
  5. Step 5: Solve for x
    x = 554,330,899.36/25,700.96
  6. Step 6: Final answer
    x = 21,568.49

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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.