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Finding the Fourth Proportional to 14,866.99, 20,541.95 and 14,334.82

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Solution

The fourth proportional to 14,866.99, 20,541.95 and 14,334.82 is: 19,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.99 : 20,541.95 = 14,334.82 : x
  2. Step 2: Convert to fraction form
    14,866.99/20,541.95 = 14,334.82/x
  3. Step 3: Cross multiply
    14,866.99x = 20,541.95 × 14,334.82
  4. Step 4: Simplify right side
    14,866.99x = 294,465,084.02
  5. Step 5: Solve for x
    x = 294,465,084.02/14,866.99
  6. Step 6: Final answer
    x = 19,806.64

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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.