Home / 13,031.28-19,554.84-5,637.68

Finding the Fourth Proportional to 13,031.28, 19,554.84 and 5,637.68

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Solution

The fourth proportional to 13,031.28, 19,554.84 and 5,637.68 is: 8,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.28 : 19,554.84 = 5,637.68 : x
  2. Step 2: Convert to fraction form
    13,031.28/19,554.84 = 5,637.68/x
  3. Step 3: Cross multiply
    13,031.28x = 19,554.84 × 5,637.68
  4. Step 4: Simplify right side
    13,031.28x = 110,243,930.37
  5. Step 5: Solve for x
    x = 110,243,930.37/13,031.28
  6. Step 6: Final answer
    x = 8,459.95

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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.