Home / 27,444.64-37,875.53-15,509.09

Finding the Fourth Proportional to 27,444.64, 37,875.53 and 15,509.09

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Solution

The fourth proportional to 27,444.64, 37,875.53 and 15,509.09 is: 21,403.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,444.64 : 37,875.53 = 15,509.09 : x
  2. Step 2: Convert to fraction form
    27,444.64/37,875.53 = 15,509.09/x
  3. Step 3: Cross multiply
    27,444.64x = 37,875.53 × 15,509.09
  4. Step 4: Simplify right side
    27,444.64x = 587,414,852.96
  5. Step 5: Solve for x
    x = 587,414,852.96/27,444.64
  6. Step 6: Final answer
    x = 21,403.63

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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.