Home / 13,031.58-19,547.37-3,170.88

Finding the Fourth Proportional to 13,031.58, 19,547.37 and 3,170.88

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Solution

The fourth proportional to 13,031.58, 19,547.37 and 3,170.88 is: 4,756.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.58 : 19,547.37 = 3,170.88 : x
  2. Step 2: Convert to fraction form
    13,031.58/19,547.37 = 3,170.88/x
  3. Step 3: Cross multiply
    13,031.58x = 19,547.37 × 3,170.88
  4. Step 4: Simplify right side
    13,031.58x = 61,982,364.59
  5. Step 5: Solve for x
    x = 61,982,364.59/13,031.58
  6. Step 6: Final answer
    x = 4,756.32

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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.