Home / 13,030.28-19,553.34-5,636.68

Finding the Fourth Proportional to 13,030.28, 19,553.34 and 5,636.68

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Solution

The fourth proportional to 13,030.28, 19,553.34 and 5,636.68 is: 8,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.28 : 19,553.34 = 5,636.68 : x
  2. Step 2: Convert to fraction form
    13,030.28/19,553.34 = 5,636.68/x
  3. Step 3: Cross multiply
    13,030.28x = 19,553.34 × 5,636.68
  4. Step 4: Simplify right side
    13,030.28x = 110,215,920.51
  5. Step 5: Solve for x
    x = 110,215,920.51/13,030.28
  6. Step 6: Final answer
    x = 8,458.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.