Home / 14,053.59-19,419.66-13,370.40

Finding the Fourth Proportional to 14,053.59, 19,419.66 and 13,370.40

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Solution

The fourth proportional to 14,053.59, 19,419.66 and 13,370.40 is: 18,475.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.59 : 19,419.66 = 13,370.40 : x
  2. Step 2: Convert to fraction form
    14,053.59/19,419.66 = 13,370.40/x
  3. Step 3: Cross multiply
    14,053.59x = 19,419.66 × 13,370.40
  4. Step 4: Simplify right side
    14,053.59x = 259,648,622.06
  5. Step 5: Solve for x
    x = 259,648,622.06/14,053.59
  6. Step 6: Final answer
    x = 18,475.61

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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.