Home / 23,136.47-31,928.34-12,526.11

Finding the Fourth Proportional to 23,136.47, 31,928.34 and 12,526.11

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Solution

The fourth proportional to 23,136.47, 31,928.34 and 12,526.11 is: 17,286.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.47 : 31,928.34 = 12,526.11 : x
  2. Step 2: Convert to fraction form
    23,136.47/31,928.34 = 12,526.11/x
  3. Step 3: Cross multiply
    23,136.47x = 31,928.34 × 12,526.11
  4. Step 4: Simplify right side
    23,136.47x = 399,937,945.93
  5. Step 5: Solve for x
    x = 399,937,945.93/23,136.47
  6. Step 6: Final answer
    x = 17,286.04

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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.