Home / 25,666.84-35,420.82-15,064.12

Finding the Fourth Proportional to 25,666.84, 35,420.82 and 15,064.12

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Solution

The fourth proportional to 25,666.84, 35,420.82 and 15,064.12 is: 20,788.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.84 : 35,420.82 = 15,064.12 : x
  2. Step 2: Convert to fraction form
    25,666.84/35,420.82 = 15,064.12/x
  3. Step 3: Cross multiply
    25,666.84x = 35,420.82 × 15,064.12
  4. Step 4: Simplify right side
    25,666.84x = 533,583,482.98
  5. Step 5: Solve for x
    x = 533,583,482.98/25,666.84
  6. Step 6: Final answer
    x = 20,788.83

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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.