Home / 23,176.36-31,988.26-14,791.40

Finding the Fourth Proportional to 23,176.36, 31,988.26 and 14,791.40

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Solution

The fourth proportional to 23,176.36, 31,988.26 and 14,791.40 is: 20,415.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.36 : 31,988.26 = 14,791.40 : x
  2. Step 2: Convert to fraction form
    23,176.36/31,988.26 = 14,791.40/x
  3. Step 3: Cross multiply
    23,176.36x = 31,988.26 × 14,791.40
  4. Step 4: Simplify right side
    23,176.36x = 473,151,148.96
  5. Step 5: Solve for x
    x = 473,151,148.96/23,176.36
  6. Step 6: Final answer
    x = 20,415.25

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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.