Home / 28,501.06-42,752.33-13,504.66

Finding the Fourth Proportional to 28,501.06, 42,752.33 and 13,504.66

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Solution

The fourth proportional to 28,501.06, 42,752.33 and 13,504.66 is: 20,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501.06 : 42,752.33 = 13,504.66 : x
  2. Step 2: Convert to fraction form
    28,501.06/42,752.33 = 13,504.66/x
  3. Step 3: Cross multiply
    28,501.06x = 42,752.33 × 13,504.66
  4. Step 4: Simplify right side
    28,501.06x = 577,355,680.86
  5. Step 5: Solve for x
    x = 577,355,680.86/28,501.06
  6. Step 6: Final answer
    x = 20,257.34

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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.