Home / 13,031.59-19,547.11-3,170.92

Finding the Fourth Proportional to 13,031.59, 19,547.11 and 3,170.92

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Solution

The fourth proportional to 13,031.59, 19,547.11 and 3,170.92 is: 4,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.59 : 19,547.11 = 3,170.92 : x
  2. Step 2: Convert to fraction form
    13,031.59/19,547.11 = 3,170.92/x
  3. Step 3: Cross multiply
    13,031.59x = 19,547.11 × 3,170.92
  4. Step 4: Simplify right side
    13,031.59x = 61,982,322.04
  5. Step 5: Solve for x
    x = 61,982,322.04/13,031.59
  6. Step 6: Final answer
    x = 4,756.31

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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.