Home / 25,200.63-34,776.23-13,715.06

Finding the Fourth Proportional to 25,200.63, 34,776.23 and 13,715.06

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Solution

The fourth proportional to 25,200.63, 34,776.23 and 13,715.06 is: 18,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,200.63 : 34,776.23 = 13,715.06 : x
  2. Step 2: Convert to fraction form
    25,200.63/34,776.23 = 13,715.06/x
  3. Step 3: Cross multiply
    25,200.63x = 34,776.23 × 13,715.06
  4. Step 4: Simplify right side
    25,200.63x = 476,957,907.14
  5. Step 5: Solve for x
    x = 476,957,907.14/25,200.63
  6. Step 6: Final answer
    x = 18,926.43

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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.