Home / 13,048.45-19,478.18-11,472.05

Finding the Fourth Proportional to 13,048.45, 19,478.18 and 11,472.05

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Solution

The fourth proportional to 13,048.45, 19,478.18 and 11,472.05 is: 17,125.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048.45 : 19,478.18 = 11,472.05 : x
  2. Step 2: Convert to fraction form
    13,048.45/19,478.18 = 11,472.05/x
  3. Step 3: Cross multiply
    13,048.45x = 19,478.18 × 11,472.05
  4. Step 4: Simplify right side
    13,048.45x = 223,454,732.24
  5. Step 5: Solve for x
    x = 223,454,732.24/13,048.45
  6. Step 6: Final answer
    x = 17,125.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.