Home / 18,952.48-26,140.32-13,915.12

Finding the Fourth Proportional to 18,952.48, 26,140.32 and 13,915.12

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Solution

The fourth proportional to 18,952.48, 26,140.32 and 13,915.12 is: 19,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.48 : 26,140.32 = 13,915.12 : x
  2. Step 2: Convert to fraction form
    18,952.48/26,140.32 = 13,915.12/x
  3. Step 3: Cross multiply
    18,952.48x = 26,140.32 × 13,915.12
  4. Step 4: Simplify right side
    18,952.48x = 363,745,689.64
  5. Step 5: Solve for x
    x = 363,745,689.64/18,952.48
  6. Step 6: Final answer
    x = 19,192.51

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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.