Home / 19,666.76-27,166.07-14,572.60

Finding the Fourth Proportional to 19,666.76, 27,166.07 and 14,572.60

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Solution

The fourth proportional to 19,666.76, 27,166.07 and 14,572.60 is: 20,129.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666.76 : 27,166.07 = 14,572.60 : x
  2. Step 2: Convert to fraction form
    19,666.76/27,166.07 = 14,572.60/x
  3. Step 3: Cross multiply
    19,666.76x = 27,166.07 × 14,572.60
  4. Step 4: Simplify right side
    19,666.76x = 395,880,240.20
  5. Step 5: Solve for x
    x = 395,880,240.20/19,666.76
  6. Step 6: Final answer
    x = 20,129.41

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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.