Home / 13,464.69-18,574.89-9,487.99

Finding the Fourth Proportional to 13,464.69, 18,574.89 and 9,487.99

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Solution

The fourth proportional to 13,464.69, 18,574.89 and 9,487.99 is: 13,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.69 : 18,574.89 = 9,487.99 : x
  2. Step 2: Convert to fraction form
    13,464.69/18,574.89 = 9,487.99/x
  3. Step 3: Cross multiply
    13,464.69x = 18,574.89 × 9,487.99
  4. Step 4: Simplify right side
    13,464.69x = 176,238,370.57
  5. Step 5: Solve for x
    x = 176,238,370.57/13,464.69
  6. Step 6: Final answer
    x = 13,088.93

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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.