Home / 19,970.74-27,560.88-11,475.58

Finding the Fourth Proportional to 19,970.74, 27,560.88 and 11,475.58

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Solution

The fourth proportional to 19,970.74, 27,560.88 and 11,475.58 is: 15,837.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.74 : 27,560.88 = 11,475.58 : x
  2. Step 2: Convert to fraction form
    19,970.74/27,560.88 = 11,475.58/x
  3. Step 3: Cross multiply
    19,970.74x = 27,560.88 × 11,475.58
  4. Step 4: Simplify right side
    19,970.74x = 316,277,083.31
  5. Step 5: Solve for x
    x = 316,277,083.31/19,970.74
  6. Step 6: Final answer
    x = 15,837.02

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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.