Home / 15,027.48-20,715.86-10,537.64

Finding the Fourth Proportional to 15,027.48, 20,715.86 and 10,537.64

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Solution

The fourth proportional to 15,027.48, 20,715.86 and 10,537.64 is: 14,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.48 : 20,715.86 = 10,537.64 : x
  2. Step 2: Convert to fraction form
    15,027.48/20,715.86 = 10,537.64/x
  3. Step 3: Cross multiply
    15,027.48x = 20,715.86 × 10,537.64
  4. Step 4: Simplify right side
    15,027.48x = 218,296,274.97
  5. Step 5: Solve for x
    x = 218,296,274.97/15,027.48
  6. Step 6: Final answer
    x = 14,526.47

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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.