Home / 23,291.58-32,143.05-12,681.39

Finding the Fourth Proportional to 23,291.58, 32,143.05 and 12,681.39

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Solution

The fourth proportional to 23,291.58, 32,143.05 and 12,681.39 is: 17,500.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.58 : 32,143.05 = 12,681.39 : x
  2. Step 2: Convert to fraction form
    23,291.58/32,143.05 = 12,681.39/x
  3. Step 3: Cross multiply
    23,291.58x = 32,143.05 × 12,681.39
  4. Step 4: Simplify right side
    23,291.58x = 407,618,552.84
  5. Step 5: Solve for x
    x = 407,618,552.84/23,291.58
  6. Step 6: Final answer
    x = 17,500.68

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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.