Home / 13,176.60-19,743.30-10,973.40

Finding the Fourth Proportional to 13,176.60, 19,743.30 and 10,973.40

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Solution

The fourth proportional to 13,176.60, 19,743.30 and 10,973.40 is: 16,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.60 : 19,743.30 = 10,973.40 : x
  2. Step 2: Convert to fraction form
    13,176.60/19,743.30 = 10,973.40/x
  3. Step 3: Cross multiply
    13,176.60x = 19,743.30 × 10,973.40
  4. Step 4: Simplify right side
    13,176.60x = 216,651,128.22
  5. Step 5: Solve for x
    x = 216,651,128.22/13,176.60
  6. Step 6: Final answer
    x = 16,442.11

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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.