Home / 18,599.36-25,666.80-10,215.68

Finding the Fourth Proportional to 18,599.36, 25,666.80 and 10,215.68

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Solution

The fourth proportional to 18,599.36, 25,666.80 and 10,215.68 is: 14,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,599.36 : 25,666.80 = 10,215.68 : x
  2. Step 2: Convert to fraction form
    18,599.36/25,666.80 = 10,215.68/x
  3. Step 3: Cross multiply
    18,599.36x = 25,666.80 × 10,215.68
  4. Step 4: Simplify right side
    18,599.36x = 262,203,815.42
  5. Step 5: Solve for x
    x = 262,203,815.42/18,599.36
  6. Step 6: Final answer
    x = 14,097.46

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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.