Home / 27,140.36-37,453.25-15,203.66

Finding the Fourth Proportional to 27,140.36, 37,453.25 and 15,203.66

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Solution

The fourth proportional to 27,140.36, 37,453.25 and 15,203.66 is: 20,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,140.36 : 37,453.25 = 15,203.66 : x
  2. Step 2: Convert to fraction form
    27,140.36/37,453.25 = 15,203.66/x
  3. Step 3: Cross multiply
    27,140.36x = 37,453.25 × 15,203.66
  4. Step 4: Simplify right side
    27,140.36x = 569,426,329.64
  5. Step 5: Solve for x
    x = 569,426,329.64/27,140.36
  6. Step 6: Final answer
    x = 20,980.80

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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.