Home / 27,602.69-38,091.90-15,666.23

Finding the Fourth Proportional to 27,602.69, 38,091.90 and 15,666.23

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Solution

The fourth proportional to 27,602.69, 38,091.90 and 15,666.23 is: 21,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,602.69 : 38,091.90 = 15,666.23 : x
  2. Step 2: Convert to fraction form
    27,602.69/38,091.90 = 15,666.23/x
  3. Step 3: Cross multiply
    27,602.69x = 38,091.90 × 15,666.23
  4. Step 4: Simplify right side
    27,602.69x = 596,756,274.06
  5. Step 5: Solve for x
    x = 596,756,274.06/27,602.69
  6. Step 6: Final answer
    x = 21,619.50

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Half 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.