Home / 29,656.08-40,915.26-18,313.74

Finding the Fourth Proportional to 29,656.08, 40,915.26 and 18,313.74

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Solution

The fourth proportional to 29,656.08, 40,915.26 and 18,313.74 is: 25,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,656.08 : 40,915.26 = 18,313.74 : x
  2. Step 2: Convert to fraction form
    29,656.08/40,915.26 = 18,313.74/x
  3. Step 3: Cross multiply
    29,656.08x = 40,915.26 × 18,313.74
  4. Step 4: Simplify right side
    29,656.08x = 749,311,433.67
  5. Step 5: Solve for x
    x = 749,311,433.67/29,656.08
  6. Step 6: Final answer
    x = 25,266.71

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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.