Home / 20,032.09-27,613.61-14,988.67

Finding the Fourth Proportional to 20,032.09, 27,613.61 and 14,988.67

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Solution

The fourth proportional to 20,032.09, 27,613.61 and 14,988.67 is: 20,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.09 : 27,613.61 = 14,988.67 : x
  2. Step 2: Convert to fraction form
    20,032.09/27,613.61 = 14,988.67/x
  3. Step 3: Cross multiply
    20,032.09x = 27,613.61 × 14,988.67
  4. Step 4: Simplify right side
    20,032.09x = 413,891,212.86
  5. Step 5: Solve for x
    x = 413,891,212.86/20,032.09
  6. Step 6: Final answer
    x = 20,661.41

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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.