Home / 18,989.17-26,206.59-10,492.04

Finding the Fourth Proportional to 18,989.17, 26,206.59 and 10,492.04

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Solution

The fourth proportional to 18,989.17, 26,206.59 and 10,492.04 is: 14,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.17 : 26,206.59 = 10,492.04 : x
  2. Step 2: Convert to fraction form
    18,989.17/26,206.59 = 10,492.04/x
  3. Step 3: Cross multiply
    18,989.17x = 26,206.59 × 10,492.04
  4. Step 4: Simplify right side
    18,989.17x = 274,960,590.54
  5. Step 5: Solve for x
    x = 274,960,590.54/18,989.17
  6. Step 6: Final answer
    x = 14,479.86

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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.