Home / 22,509.66-31,061.96-13,076.40

Finding the Fourth Proportional to 22,509.66, 31,061.96 and 13,076.40

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Solution

The fourth proportional to 22,509.66, 31,061.96 and 13,076.40 is: 18,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.66 : 31,061.96 = 13,076.40 : x
  2. Step 2: Convert to fraction form
    22,509.66/31,061.96 = 13,076.40/x
  3. Step 3: Cross multiply
    22,509.66x = 31,061.96 × 13,076.40
  4. Step 4: Simplify right side
    22,509.66x = 406,178,613.74
  5. Step 5: Solve for x
    x = 406,178,613.74/22,509.66
  6. Step 6: Final answer
    x = 18,044.64

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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.