Home / 30,260.66-45,390.92-14,417.60

Finding the Fourth Proportional to 30,260.66, 45,390.92 and 14,417.60

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Solution

The fourth proportional to 30,260.66, 45,390.92 and 14,417.60 is: 21,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.66 : 45,390.92 = 14,417.60 : x
  2. Step 2: Convert to fraction form
    30,260.66/45,390.92 = 14,417.60/x
  3. Step 3: Cross multiply
    30,260.66x = 45,390.92 × 14,417.60
  4. Step 4: Simplify right side
    30,260.66x = 654,427,829.15
  5. Step 5: Solve for x
    x = 654,427,829.15/30,260.66
  6. Step 6: Final answer
    x = 21,626.36

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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.