Home / 25,577.43-35,298.63-15,506.30

Finding the Fourth Proportional to 25,577.43, 35,298.63 and 15,506.30

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Solution

The fourth proportional to 25,577.43, 35,298.63 and 15,506.30 is: 21,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,577.43 : 35,298.63 = 15,506.30 : x
  2. Step 2: Convert to fraction form
    25,577.43/35,298.63 = 15,506.30/x
  3. Step 3: Cross multiply
    25,577.43x = 35,298.63 × 15,506.30
  4. Step 4: Simplify right side
    25,577.43x = 547,351,146.37
  5. Step 5: Solve for x
    x = 547,351,146.37/25,577.43
  6. Step 6: Final answer
    x = 21,399.77

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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.