Home / 27,515.60-37,971.40-14,940.24

Finding the Fourth Proportional to 27,515.60, 37,971.40 and 14,940.24

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Solution

The fourth proportional to 27,515.60, 37,971.40 and 14,940.24 is: 20,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515.60 : 37,971.40 = 14,940.24 : x
  2. Step 2: Convert to fraction form
    27,515.60/37,971.40 = 14,940.24/x
  3. Step 3: Cross multiply
    27,515.60x = 37,971.40 × 14,940.24
  4. Step 4: Simplify right side
    27,515.60x = 567,301,829.14
  5. Step 5: Solve for x
    x = 567,301,829.14/27,515.60
  6. Step 6: Final answer
    x = 20,617.46

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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.