Home / 13,916.60-20,877.06-4,681.88

Finding the Fourth Proportional to 13,916.60, 20,877.06 and 4,681.88

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Solution

The fourth proportional to 13,916.60, 20,877.06 and 4,681.88 is: 7,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.60 : 20,877.06 = 4,681.88 : x
  2. Step 2: Convert to fraction form
    13,916.60/20,877.06 = 4,681.88/x
  3. Step 3: Cross multiply
    13,916.60x = 20,877.06 × 4,681.88
  4. Step 4: Simplify right side
    13,916.60x = 97,743,889.67
  5. Step 5: Solve for x
    x = 97,743,889.67/13,916.60
  6. Step 6: Final answer
    x = 7,023.55

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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.