Home / 13,580.28-18,743.04-10,053.63

Finding the Fourth Proportional to 13,580.28, 18,743.04 and 10,053.63

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Solution

The fourth proportional to 13,580.28, 18,743.04 and 10,053.63 is: 13,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580.28 : 18,743.04 = 10,053.63 : x
  2. Step 2: Convert to fraction form
    13,580.28/18,743.04 = 10,053.63/x
  3. Step 3: Cross multiply
    13,580.28x = 18,743.04 × 10,053.63
  4. Step 4: Simplify right side
    13,580.28x = 188,435,589.24
  5. Step 5: Solve for x
    x = 188,435,589.24/13,580.28
  6. Step 6: Final answer
    x = 13,875.68

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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.