Home / 13,768.45-19,003.50-9,053.17

Finding the Fourth Proportional to 13,768.45, 19,003.50 and 9,053.17

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Solution

The fourth proportional to 13,768.45, 19,003.50 and 9,053.17 is: 12,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.45 : 19,003.50 = 9,053.17 : x
  2. Step 2: Convert to fraction form
    13,768.45/19,003.50 = 9,053.17/x
  3. Step 3: Cross multiply
    13,768.45x = 19,003.50 × 9,053.17
  4. Step 4: Simplify right side
    13,768.45x = 172,041,916.10
  5. Step 5: Solve for x
    x = 172,041,916.10/13,768.45
  6. Step 6: Final answer
    x = 12,495.37

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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.