Home / 18,933.11-26,126.63-10,435.21

Finding the Fourth Proportional to 18,933.11, 26,126.63 and 10,435.21

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Solution

The fourth proportional to 18,933.11, 26,126.63 and 10,435.21 is: 14,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.11 : 26,126.63 = 10,435.21 : x
  2. Step 2: Convert to fraction form
    18,933.11/26,126.63 = 10,435.21/x
  3. Step 3: Cross multiply
    18,933.11x = 26,126.63 × 10,435.21
  4. Step 4: Simplify right side
    18,933.11x = 272,636,870.64
  5. Step 5: Solve for x
    x = 272,636,870.64/18,933.11
  6. Step 6: Final answer
    x = 14,400.00

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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.