Home / 18,394.36-25,384.32-10,010.88

Finding the Fourth Proportional to 18,394.36, 25,384.32 and 10,010.88

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Solution

The fourth proportional to 18,394.36, 25,384.32 and 10,010.88 is: 13,815.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.36 : 25,384.32 = 10,010.88 : x
  2. Step 2: Convert to fraction form
    18,394.36/25,384.32 = 10,010.88/x
  3. Step 3: Cross multiply
    18,394.36x = 25,384.32 × 10,010.88
  4. Step 4: Simplify right side
    18,394.36x = 254,119,381.40
  5. Step 5: Solve for x
    x = 254,119,381.40/18,394.36
  6. Step 6: Final answer
    x = 13,815.07

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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.