Home / 13,897.14-19,177.85-7,609.51

Finding the Fourth Proportional to 13,897.14, 19,177.85 and 7,609.51

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Solution

The fourth proportional to 13,897.14, 19,177.85 and 7,609.51 is: 10,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.14 : 19,177.85 = 7,609.51 : x
  2. Step 2: Convert to fraction form
    13,897.14/19,177.85 = 7,609.51/x
  3. Step 3: Cross multiply
    13,897.14x = 19,177.85 × 7,609.51
  4. Step 4: Simplify right side
    13,897.14x = 145,934,041.35
  5. Step 5: Solve for x
    x = 145,934,041.35/13,897.14
  6. Step 6: Final answer
    x = 10,501.02

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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.