Home / 13,265.13-19,897.71-4,945.02

Finding the Fourth Proportional to 13,265.13, 19,897.71 and 4,945.02

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Solution

The fourth proportional to 13,265.13, 19,897.71 and 4,945.02 is: 7,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.13 : 19,897.71 = 4,945.02 : x
  2. Step 2: Convert to fraction form
    13,265.13/19,897.71 = 4,945.02/x
  3. Step 3: Cross multiply
    13,265.13x = 19,897.71 × 4,945.02
  4. Step 4: Simplify right side
    13,265.13x = 98,394,573.90
  5. Step 5: Solve for x
    x = 98,394,573.90/13,265.13
  6. Step 6: Final answer
    x = 7,417.54

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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.