Home / 18,976.47-26,186.99-10,477.95

Finding the Fourth Proportional to 18,976.47, 26,186.99 and 10,477.95

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Solution

The fourth proportional to 18,976.47, 26,186.99 and 10,477.95 is: 14,459.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.47 : 26,186.99 = 10,477.95 : x
  2. Step 2: Convert to fraction form
    18,976.47/26,186.99 = 10,477.95/x
  3. Step 3: Cross multiply
    18,976.47x = 26,186.99 × 10,477.95
  4. Step 4: Simplify right side
    18,976.47x = 274,385,971.87
  5. Step 5: Solve for x
    x = 274,385,971.87/18,976.47
  6. Step 6: Final answer
    x = 14,459.27

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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.