Home / 18,470.04-25,485.76-10,511.68

Finding the Fourth Proportional to 18,470.04, 25,485.76 and 10,511.68

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Solution

The fourth proportional to 18,470.04, 25,485.76 and 10,511.68 is: 14,504.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.04 : 25,485.76 = 10,511.68 : x
  2. Step 2: Convert to fraction form
    18,470.04/25,485.76 = 10,511.68/x
  3. Step 3: Cross multiply
    18,470.04x = 25,485.76 × 10,511.68
  4. Step 4: Simplify right side
    18,470.04x = 267,898,153.68
  5. Step 5: Solve for x
    x = 267,898,153.68/18,470.04
  6. Step 6: Final answer
    x = 14,504.47

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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.