Home / 18,516.74-25,554.69-10,559.30

Finding the Fourth Proportional to 18,516.74, 25,554.69 and 10,559.30

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Solution

The fourth proportional to 18,516.74, 25,554.69 and 10,559.30 is: 14,572.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.74 : 25,554.69 = 10,559.30 : x
  2. Step 2: Convert to fraction form
    18,516.74/25,554.69 = 10,559.30/x
  3. Step 3: Cross multiply
    18,516.74x = 25,554.69 × 10,559.30
  4. Step 4: Simplify right side
    18,516.74x = 269,839,510.34
  5. Step 5: Solve for x
    x = 269,839,510.34/18,516.74
  6. Step 6: Final answer
    x = 14,572.74

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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.