Home / 30,276.49-45,417.83-11,572.27

Finding the Fourth Proportional to 30,276.49, 45,417.83 and 11,572.27

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Solution

The fourth proportional to 30,276.49, 45,417.83 and 11,572.27 is: 17,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.49 : 45,417.83 = 11,572.27 : x
  2. Step 2: Convert to fraction form
    30,276.49/45,417.83 = 11,572.27/x
  3. Step 3: Cross multiply
    30,276.49x = 45,417.83 × 11,572.27
  4. Step 4: Simplify right side
    30,276.49x = 525,587,220.17
  5. Step 5: Solve for x
    x = 525,587,220.17/30,276.49
  6. Step 6: Final answer
    x = 17,359.58

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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.