Home / 23,685.76-32,698.88-15,307.04

Finding the Fourth Proportional to 23,685.76, 32,698.88 and 15,307.04

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Solution

The fourth proportional to 23,685.76, 32,698.88 and 15,307.04 is: 21,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.76 : 32,698.88 = 15,307.04 : x
  2. Step 2: Convert to fraction form
    23,685.76/32,698.88 = 15,307.04/x
  3. Step 3: Cross multiply
    23,685.76x = 32,698.88 × 15,307.04
  4. Step 4: Simplify right side
    23,685.76x = 500,523,064.12
  5. Step 5: Solve for x
    x = 500,523,064.12/23,685.76
  6. Step 6: Final answer
    x = 21,131.81

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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.