Home / 18,298.73-25,252.23-9,915.23

Finding the Fourth Proportional to 18,298.73, 25,252.23 and 9,915.23

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Solution

The fourth proportional to 18,298.73, 25,252.23 and 9,915.23 is: 13,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,298.73 : 25,252.23 = 9,915.23 : x
  2. Step 2: Convert to fraction form
    18,298.73/25,252.23 = 9,915.23/x
  3. Step 3: Cross multiply
    18,298.73x = 25,252.23 × 9,915.23
  4. Step 4: Simplify right side
    18,298.73x = 250,381,668.46
  5. Step 5: Solve for x
    x = 250,381,668.46/18,298.73
  6. Step 6: Final answer
    x = 13,683.01

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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.