Home / 18,335.65-25,302.43-10,378.31

Finding the Fourth Proportional to 18,335.65, 25,302.43 and 10,378.31

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Solution

The fourth proportional to 18,335.65, 25,302.43 and 10,378.31 is: 14,321.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.65 : 25,302.43 = 10,378.31 : x
  2. Step 2: Convert to fraction form
    18,335.65/25,302.43 = 10,378.31/x
  3. Step 3: Cross multiply
    18,335.65x = 25,302.43 × 10,378.31
  4. Step 4: Simplify right side
    18,335.65x = 262,596,462.29
  5. Step 5: Solve for x
    x = 262,596,462.29/18,335.65
  6. Step 6: Final answer
    x = 14,321.63

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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.