Home / 25,152.78-34,700.90-16,205.51

Finding the Fourth Proportional to 25,152.78, 34,700.90 and 16,205.51

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Solution

The fourth proportional to 25,152.78, 34,700.90 and 16,205.51 is: 22,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,152.78 : 34,700.90 = 16,205.51 : x
  2. Step 2: Convert to fraction form
    25,152.78/34,700.90 = 16,205.51/x
  3. Step 3: Cross multiply
    25,152.78x = 34,700.90 × 16,205.51
  4. Step 4: Simplify right side
    25,152.78x = 562,345,527.43
  5. Step 5: Solve for x
    x = 562,345,527.43/25,152.78
  6. Step 6: Final answer
    x = 22,357.19

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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.