Home / 22,580.08-31,164.15-13,628.92

Finding the Fourth Proportional to 22,580.08, 31,164.15 and 13,628.92

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Solution

The fourth proportional to 22,580.08, 31,164.15 and 13,628.92 is: 18,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,580.08 : 31,164.15 = 13,628.92 : x
  2. Step 2: Convert to fraction form
    22,580.08/31,164.15 = 13,628.92/x
  3. Step 3: Cross multiply
    22,580.08x = 31,164.15 × 13,628.92
  4. Step 4: Simplify right side
    22,580.08x = 424,733,707.22
  5. Step 5: Solve for x
    x = 424,733,707.22/22,580.08
  6. Step 6: Final answer
    x = 18,810.11

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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.