Home / 18,969.21-26,177.45-10,471.10

Finding the Fourth Proportional to 18,969.21, 26,177.45 and 10,471.10

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Solution

The fourth proportional to 18,969.21, 26,177.45 and 10,471.10 is: 14,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,969.21 : 26,177.45 = 10,471.10 : x
  2. Step 2: Convert to fraction form
    18,969.21/26,177.45 = 10,471.10/x
  3. Step 3: Cross multiply
    18,969.21x = 26,177.45 × 10,471.10
  4. Step 4: Simplify right side
    18,969.21x = 274,106,513.45
  5. Step 5: Solve for x
    x = 274,106,513.45/18,969.21
  6. Step 6: Final answer
    x = 14,450.08

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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.