Home / 25,479.84-38,219.75-16,712.72

Finding the Fourth Proportional to 25,479.84, 38,219.75 and 16,712.72

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Solution

The fourth proportional to 25,479.84, 38,219.75 and 16,712.72 is: 25,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479.84 : 38,219.75 = 16,712.72 : x
  2. Step 2: Convert to fraction form
    25,479.84/38,219.75 = 16,712.72/x
  3. Step 3: Cross multiply
    25,479.84x = 38,219.75 × 16,712.72
  4. Step 4: Simplify right side
    25,479.84x = 638,755,980.22
  5. Step 5: Solve for x
    x = 638,755,980.22/25,479.84
  6. Step 6: Final answer
    x = 25,069.07

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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.