Home / 25,800.16-38,694.48-10,812.64

Finding the Fourth Proportional to 25,800.16, 38,694.48 and 10,812.64

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Solution

The fourth proportional to 25,800.16, 38,694.48 and 10,812.64 is: 16,216.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.16 : 38,694.48 = 10,812.64 : x
  2. Step 2: Convert to fraction form
    25,800.16/38,694.48 = 10,812.64/x
  3. Step 3: Cross multiply
    25,800.16x = 38,694.48 × 10,812.64
  4. Step 4: Simplify right side
    25,800.16x = 418,389,482.23
  5. Step 5: Solve for x
    x = 418,389,482.23/25,800.16
  6. Step 6: Final answer
    x = 16,216.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.