Home / 23,089.76-34,440.16-19,348.64

Finding the Fourth Proportional to 23,089.76, 34,440.16 and 19,348.64

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Solution

The fourth proportional to 23,089.76, 34,440.16 and 19,348.64 is: 28,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089.76 : 34,440.16 = 19,348.64 : x
  2. Step 2: Convert to fraction form
    23,089.76/34,440.16 = 19,348.64/x
  3. Step 3: Cross multiply
    23,089.76x = 34,440.16 × 19,348.64
  4. Step 4: Simplify right side
    23,089.76x = 666,370,257.38
  5. Step 5: Solve for x
    x = 666,370,257.38/23,089.76
  6. Step 6: Final answer
    x = 28,859.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.