Home / 28,476.12-42,709.32-10,941.24

Finding the Fourth Proportional to 28,476.12, 42,709.32 and 10,941.24

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Solution

The fourth proportional to 28,476.12, 42,709.32 and 10,941.24 is: 16,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.12 : 42,709.32 = 10,941.24 : x
  2. Step 2: Convert to fraction form
    28,476.12/42,709.32 = 10,941.24/x
  3. Step 3: Cross multiply
    28,476.12x = 42,709.32 × 10,941.24
  4. Step 4: Simplify right side
    28,476.12x = 467,292,920.36
  5. Step 5: Solve for x
    x = 467,292,920.36/28,476.12
  6. Step 6: Final answer
    x = 16,409.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.