Home / 18,990.03-26,206.16-10,492.26

Finding the Fourth Proportional to 18,990.03, 26,206.16 and 10,492.26

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Solution

The fourth proportional to 18,990.03, 26,206.16 and 10,492.26 is: 14,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,990.03 : 26,206.16 = 10,492.26 : x
  2. Step 2: Convert to fraction form
    18,990.03/26,206.16 = 10,492.26/x
  3. Step 3: Cross multiply
    18,990.03x = 26,206.16 × 10,492.26
  4. Step 4: Simplify right side
    18,990.03x = 274,961,844.32
  5. Step 5: Solve for x
    x = 274,961,844.32/18,990.03
  6. Step 6: Final answer
    x = 14,479.27

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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.