Home / 13,812.66-19,053.23-8,503.52

Finding the Fourth Proportional to 13,812.66, 19,053.23 and 8,503.52

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Solution

The fourth proportional to 13,812.66, 19,053.23 and 8,503.52 is: 11,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.66 : 19,053.23 = 8,503.52 : x
  2. Step 2: Convert to fraction form
    13,812.66/19,053.23 = 8,503.52/x
  3. Step 3: Cross multiply
    13,812.66x = 19,053.23 × 8,503.52
  4. Step 4: Simplify right side
    13,812.66x = 162,019,384.59
  5. Step 5: Solve for x
    x = 162,019,384.59/13,812.66
  6. Step 6: Final answer
    x = 11,729.77

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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.