Home / 27,637.94-38,129.54-17,009.12

Finding the Fourth Proportional to 27,637.94, 38,129.54 and 17,009.12

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Solution

The fourth proportional to 27,637.94, 38,129.54 and 17,009.12 is: 23,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,637.94 : 38,129.54 = 17,009.12 : x
  2. Step 2: Convert to fraction form
    27,637.94/38,129.54 = 17,009.12/x
  3. Step 3: Cross multiply
    27,637.94x = 38,129.54 × 17,009.12
  4. Step 4: Simplify right side
    27,637.94x = 648,549,931.68
  5. Step 5: Solve for x
    x = 648,549,931.68/27,637.94
  6. Step 6: Final answer
    x = 23,465.93

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Half scale
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Double scale
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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.