Home / 14,129.20-19,477.47-10,766.18

Finding the Fourth Proportional to 14,129.20, 19,477.47 and 10,766.18

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Solution

The fourth proportional to 14,129.20, 19,477.47 and 10,766.18 is: 14,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,129.20 : 19,477.47 = 10,766.18 : x
  2. Step 2: Convert to fraction form
    14,129.20/19,477.47 = 10,766.18/x
  3. Step 3: Cross multiply
    14,129.20x = 19,477.47 × 10,766.18
  4. Step 4: Simplify right side
    14,129.20x = 209,697,947.96
  5. Step 5: Solve for x
    x = 209,697,947.96/14,129.20
  6. Step 6: Final answer
    x = 14,841.46

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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.