Home / 39,897.08-59,827.38-11,807.14

Finding the Fourth Proportional to 39,897.08, 59,827.38 and 11,807.14

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Solution

The fourth proportional to 39,897.08, 59,827.38 and 11,807.14 is: 17,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.08 : 59,827.38 = 11,807.14 : x
  2. Step 2: Convert to fraction form
    39,897.08/59,827.38 = 11,807.14/x
  3. Step 3: Cross multiply
    39,897.08x = 59,827.38 × 11,807.14
  4. Step 4: Simplify right side
    39,897.08x = 706,390,251.49
  5. Step 5: Solve for x
    x = 706,390,251.49/39,897.08
  6. Step 6: Final answer
    x = 17,705.31

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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.