Home / 25,420.23-35,072.19-14,805.99

Finding the Fourth Proportional to 25,420.23, 35,072.19 and 14,805.99

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Solution

The fourth proportional to 25,420.23, 35,072.19 and 14,805.99 is: 20,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.23 : 35,072.19 = 14,805.99 : x
  2. Step 2: Convert to fraction form
    25,420.23/35,072.19 = 14,805.99/x
  3. Step 3: Cross multiply
    25,420.23x = 35,072.19 × 14,805.99
  4. Step 4: Simplify right side
    25,420.23x = 519,278,494.42
  5. Step 5: Solve for x
    x = 519,278,494.42/25,420.23
  6. Step 6: Final answer
    x = 20,427.77

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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.