Home / 13,031.02-19,547.67-3,671.11

Finding the Fourth Proportional to 13,031.02, 19,547.67 and 3,671.11

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Solution

The fourth proportional to 13,031.02, 19,547.67 and 3,671.11 is: 5,506.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.02 : 19,547.67 = 3,671.11 : x
  2. Step 2: Convert to fraction form
    13,031.02/19,547.67 = 3,671.11/x
  3. Step 3: Cross multiply
    13,031.02x = 19,547.67 × 3,671.11
  4. Step 4: Simplify right side
    13,031.02x = 71,761,646.81
  5. Step 5: Solve for x
    x = 71,761,646.81/13,031.02
  6. Step 6: Final answer
    x = 5,506.99

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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.