Home / 18,465.49-25,485.31-10,510.28

Finding the Fourth Proportional to 18,465.49, 25,485.31 and 10,510.28

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Solution

The fourth proportional to 18,465.49, 25,485.31 and 10,510.28 is: 14,505.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.49 : 25,485.31 = 10,510.28 : x
  2. Step 2: Convert to fraction form
    18,465.49/25,485.31 = 10,510.28/x
  3. Step 3: Cross multiply
    18,465.49x = 25,485.31 × 10,510.28
  4. Step 4: Simplify right side
    18,465.49x = 267,857,743.99
  5. Step 5: Solve for x
    x = 267,857,743.99/18,465.49
  6. Step 6: Final answer
    x = 14,505.86

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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.