Home / 13,865.58-19,134.47-7,897.25

Finding the Fourth Proportional to 13,865.58, 19,134.47 and 7,897.25

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Solution

The fourth proportional to 13,865.58, 19,134.47 and 7,897.25 is: 10,898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,865.58 : 19,134.47 = 7,897.25 : x
  2. Step 2: Convert to fraction form
    13,865.58/19,134.47 = 7,897.25/x
  3. Step 3: Cross multiply
    13,865.58x = 19,134.47 × 7,897.25
  4. Step 4: Simplify right side
    13,865.58x = 151,109,693.21
  5. Step 5: Solve for x
    x = 151,109,693.21/13,865.58
  6. Step 6: Final answer
    x = 10,898.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.