Home / 18,575.64-25,634.04-10,509.18

Finding the Fourth Proportional to 18,575.64, 25,634.04 and 10,509.18

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Solution

The fourth proportional to 18,575.64, 25,634.04 and 10,509.18 is: 14,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.64 : 25,634.04 = 10,509.18 : x
  2. Step 2: Convert to fraction form
    18,575.64/25,634.04 = 10,509.18/x
  3. Step 3: Cross multiply
    18,575.64x = 25,634.04 × 10,509.18
  4. Step 4: Simplify right side
    18,575.64x = 269,392,740.49
  5. Step 5: Solve for x
    x = 269,392,740.49/18,575.64
  6. Step 6: Final answer
    x = 14,502.47

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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.