Home / 25,610.56-35,344.90-15,541.56

Finding the Fourth Proportional to 25,610.56, 35,344.90 and 15,541.56

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Solution

The fourth proportional to 25,610.56, 35,344.90 and 15,541.56 is: 21,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.56 : 35,344.90 = 15,541.56 : x
  2. Step 2: Convert to fraction form
    25,610.56/35,344.90 = 15,541.56/x
  3. Step 3: Cross multiply
    25,610.56x = 35,344.90 × 15,541.56
  4. Step 4: Simplify right side
    25,610.56x = 549,314,903.47
  5. Step 5: Solve for x
    x = 549,314,903.47/25,610.56
  6. Step 6: Final answer
    x = 21,448.77

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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.