Home / 19,193.40-26,492.49-12,479.70

Finding the Fourth Proportional to 19,193.40, 26,492.49 and 12,479.70

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Solution

The fourth proportional to 19,193.40, 26,492.49 and 12,479.70 is: 17,225.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.40 : 26,492.49 = 12,479.70 : x
  2. Step 2: Convert to fraction form
    19,193.40/26,492.49 = 12,479.70/x
  3. Step 3: Cross multiply
    19,193.40x = 26,492.49 × 12,479.70
  4. Step 4: Simplify right side
    19,193.40x = 330,618,327.45
  5. Step 5: Solve for x
    x = 330,618,327.45/19,193.40
  6. Step 6: Final answer
    x = 17,225.63

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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.