Home / 13,031.42-19,547.13-5,238.41

Finding the Fourth Proportional to 13,031.42, 19,547.13 and 5,238.41

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Solution

The fourth proportional to 13,031.42, 19,547.13 and 5,238.41 is: 7,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.42 : 19,547.13 = 5,238.41 : x
  2. Step 2: Convert to fraction form
    13,031.42/19,547.13 = 5,238.41/x
  3. Step 3: Cross multiply
    13,031.42x = 19,547.13 × 5,238.41
  4. Step 4: Simplify right side
    13,031.42x = 102,395,757.34
  5. Step 5: Solve for x
    x = 102,395,757.34/13,031.42
  6. Step 6: Final answer
    x = 7,857.61

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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.