Home / 13,057.42-18,001.83-10,377.58

Finding the Fourth Proportional to 13,057.42, 18,001.83 and 10,377.58

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Solution

The fourth proportional to 13,057.42, 18,001.83 and 10,377.58 is: 14,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.42 : 18,001.83 = 10,377.58 : x
  2. Step 2: Convert to fraction form
    13,057.42/18,001.83 = 10,377.58/x
  3. Step 3: Cross multiply
    13,057.42x = 18,001.83 × 10,377.58
  4. Step 4: Simplify right side
    13,057.42x = 186,815,430.97
  5. Step 5: Solve for x
    x = 186,815,430.97/13,057.42
  6. Step 6: Final answer
    x = 14,307.22

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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.