Home / 27,565.84-38,040.59-14,990.58

Finding the Fourth Proportional to 27,565.84, 38,040.59 and 14,990.58

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Solution

The fourth proportional to 27,565.84, 38,040.59 and 14,990.58 is: 20,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.84 : 38,040.59 = 14,990.58 : x
  2. Step 2: Convert to fraction form
    27,565.84/38,040.59 = 14,990.58/x
  3. Step 3: Cross multiply
    27,565.84x = 38,040.59 × 14,990.58
  4. Step 4: Simplify right side
    27,565.84x = 570,250,507.64
  5. Step 5: Solve for x
    x = 570,250,507.64/27,565.84
  6. Step 6: Final answer
    x = 20,686.85

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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.