Home / 13,465.69-18,576.27-9,488.99

Finding the Fourth Proportional to 13,465.69, 18,576.27 and 9,488.99

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Solution

The fourth proportional to 13,465.69, 18,576.27 and 9,488.99 is: 13,090.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.69 : 18,576.27 = 9,488.99 : x
  2. Step 2: Convert to fraction form
    13,465.69/18,576.27 = 9,488.99/x
  3. Step 3: Cross multiply
    13,465.69x = 18,576.27 × 9,488.99
  4. Step 4: Simplify right side
    13,465.69x = 176,270,040.27
  5. Step 5: Solve for x
    x = 176,270,040.27/13,465.69
  6. Step 6: Final answer
    x = 13,090.31

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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.