Home / 18,480.46-25,506.14-10,521.58

Finding the Fourth Proportional to 18,480.46, 25,506.14 and 10,521.58

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Solution

The fourth proportional to 18,480.46, 25,506.14 and 10,521.58 is: 14,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,480.46 : 25,506.14 = 10,521.58 : x
  2. Step 2: Convert to fraction form
    18,480.46/25,506.14 = 10,521.58/x
  3. Step 3: Cross multiply
    18,480.46x = 25,506.14 × 10,521.58
  4. Step 4: Simplify right side
    18,480.46x = 268,364,892.50
  5. Step 5: Solve for x
    x = 268,364,892.50/18,480.46
  6. Step 6: Final answer
    x = 14,521.55

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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.