Home / 25,955.84-38,875.38-18,199.28

Finding the Fourth Proportional to 25,955.84, 38,875.38 and 18,199.28

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Solution

The fourth proportional to 25,955.84, 38,875.38 and 18,199.28 is: 27,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,955.84 : 38,875.38 = 18,199.28 : x
  2. Step 2: Convert to fraction form
    25,955.84/38,875.38 = 18,199.28/x
  3. Step 3: Cross multiply
    25,955.84x = 38,875.38 × 18,199.28
  4. Step 4: Simplify right side
    25,955.84x = 707,503,925.73
  5. Step 5: Solve for x
    x = 707,503,925.73/25,955.84
  6. Step 6: Final answer
    x = 27,257.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.