Home / 25,610.50-35,344.81-15,541.49

Finding the Fourth Proportional to 25,610.50, 35,344.81 and 15,541.49

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Solution

The fourth proportional to 25,610.50, 35,344.81 and 15,541.49 is: 21,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,610.50 : 35,344.81 = 15,541.49 : x
  2. Step 2: Convert to fraction form
    25,610.50/35,344.81 = 15,541.49/x
  3. Step 3: Cross multiply
    25,610.50x = 35,344.81 × 15,541.49
  4. Step 4: Simplify right side
    25,610.50x = 549,311,011.17
  5. Step 5: Solve for x
    x = 549,311,011.17/25,610.50
  6. Step 6: Final answer
    x = 21,448.66

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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.