Home / 14,610.10-21,915.15-5,254.60

Finding the Fourth Proportional to 14,610.10, 21,915.15 and 5,254.60

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Solution

The fourth proportional to 14,610.10, 21,915.15 and 5,254.60 is: 7,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.10 : 21,915.15 = 5,254.60 : x
  2. Step 2: Convert to fraction form
    14,610.10/21,915.15 = 5,254.60/x
  3. Step 3: Cross multiply
    14,610.10x = 21,915.15 × 5,254.60
  4. Step 4: Simplify right side
    14,610.10x = 115,155,347.19
  5. Step 5: Solve for x
    x = 115,155,347.19/14,610.10
  6. Step 6: Final answer
    x = 7,881.90

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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.