Home / 23,061.51-31,823.28-13,628.25

Finding the Fourth Proportional to 23,061.51, 31,823.28 and 13,628.25

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Solution

The fourth proportional to 23,061.51, 31,823.28 and 13,628.25 is: 18,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,061.51 : 31,823.28 = 13,628.25 : x
  2. Step 2: Convert to fraction form
    23,061.51/31,823.28 = 13,628.25/x
  3. Step 3: Cross multiply
    23,061.51x = 31,823.28 × 13,628.25
  4. Step 4: Simplify right side
    23,061.51x = 433,695,615.66
  5. Step 5: Solve for x
    x = 433,695,615.66/23,061.51
  6. Step 6: Final answer
    x = 18,806.04

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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.