Home / 22,873.61-31,561.77-13,443.99

Finding the Fourth Proportional to 22,873.61, 31,561.77 and 13,443.99

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Solution

The fourth proportional to 22,873.61, 31,561.77 and 13,443.99 is: 18,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,873.61 : 31,561.77 = 13,443.99 : x
  2. Step 2: Convert to fraction form
    22,873.61/31,561.77 = 13,443.99/x
  3. Step 3: Cross multiply
    22,873.61x = 31,561.77 × 13,443.99
  4. Step 4: Simplify right side
    22,873.61x = 424,316,120.26
  5. Step 5: Solve for x
    x = 424,316,120.26/22,873.61
  6. Step 6: Final answer
    x = 18,550.47

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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.