Home / 25,091.84-34,602.70-15,018.68

Finding the Fourth Proportional to 25,091.84, 34,602.70 and 15,018.68

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Solution

The fourth proportional to 25,091.84, 34,602.70 and 15,018.68 is: 20,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.84 : 34,602.70 = 15,018.68 : x
  2. Step 2: Convert to fraction form
    25,091.84/34,602.70 = 15,018.68/x
  3. Step 3: Cross multiply
    25,091.84x = 34,602.70 × 15,018.68
  4. Step 4: Simplify right side
    25,091.84x = 519,686,878.44
  5. Step 5: Solve for x
    x = 519,686,878.44/25,091.84
  6. Step 6: Final answer
    x = 20,711.39

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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.