Home / 14,186.18-19,570.20-11,020.70

Finding the Fourth Proportional to 14,186.18, 19,570.20 and 11,020.70

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Solution

The fourth proportional to 14,186.18, 19,570.20 and 11,020.70 is: 15,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.18 : 19,570.20 = 11,020.70 : x
  2. Step 2: Convert to fraction form
    14,186.18/19,570.20 = 11,020.70/x
  3. Step 3: Cross multiply
    14,186.18x = 19,570.20 × 11,020.70
  4. Step 4: Simplify right side
    14,186.18x = 215,677,303.14
  5. Step 5: Solve for x
    x = 215,677,303.14/14,186.18
  6. Step 6: Final answer
    x = 15,203.34

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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.