Home / 25,700.63-35,473.29-20,576.14

Finding the Fourth Proportional to 25,700.63, 35,473.29 and 20,576.14

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Solution

The fourth proportional to 25,700.63, 35,473.29 and 20,576.14 is: 28,400.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.63 : 35,473.29 = 20,576.14 : x
  2. Step 2: Convert to fraction form
    25,700.63/35,473.29 = 20,576.14/x
  3. Step 3: Cross multiply
    25,700.63x = 35,473.29 × 20,576.14
  4. Step 4: Simplify right side
    25,700.63x = 729,903,381.08
  5. Step 5: Solve for x
    x = 729,903,381.08/25,700.63
  6. Step 6: Final answer
    x = 28,400.21

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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.