Home / 24,756.84-34,138.02-18,721

Finding the Fourth Proportional to 24,756.84, 34,138.02 and 18,721

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Solution

The fourth proportional to 24,756.84, 34,138.02 and 18,721 is: 25,815.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,756.84 : 34,138.02 = 18,721 : x
  2. Step 2: Convert to fraction form
    24,756.84/34,138.02 = 18,721/x
  3. Step 3: Cross multiply
    24,756.84x = 34,138.02 × 18,721
  4. Step 4: Simplify right side
    24,756.84x = 639,097,872.42
  5. Step 5: Solve for x
    x = 639,097,872.42/24,756.84
  6. Step 6: Final answer
    x = 25,815.00

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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.