Home / 18,497.40-25,521.49-10,539.45

Finding the Fourth Proportional to 18,497.40, 25,521.49 and 10,539.45

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Solution

The fourth proportional to 18,497.40, 25,521.49 and 10,539.45 is: 14,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.40 : 25,521.49 = 10,539.45 : x
  2. Step 2: Convert to fraction form
    18,497.40/25,521.49 = 10,539.45/x
  3. Step 3: Cross multiply
    18,497.40x = 25,521.49 × 10,539.45
  4. Step 4: Simplify right side
    18,497.40x = 268,982,576.66
  5. Step 5: Solve for x
    x = 268,982,576.66/18,497.40
  6. Step 6: Final answer
    x = 14,541.64

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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.