Home / 23,217.81-32,039.70-12,607.21

Finding the Fourth Proportional to 23,217.81, 32,039.70 and 12,607.21

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Solution

The fourth proportional to 23,217.81, 32,039.70 and 12,607.21 is: 17,397.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,217.81 : 32,039.70 = 12,607.21 : x
  2. Step 2: Convert to fraction form
    23,217.81/32,039.70 = 12,607.21/x
  3. Step 3: Cross multiply
    23,217.81x = 32,039.70 × 12,607.21
  4. Step 4: Simplify right side
    23,217.81x = 403,931,226.24
  5. Step 5: Solve for x
    x = 403,931,226.24/23,217.81
  6. Step 6: Final answer
    x = 17,397.47

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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.