Home / 23,136.64-31,928.57-12,526.28

Finding the Fourth Proportional to 23,136.64, 31,928.57 and 12,526.28

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Solution

The fourth proportional to 23,136.64, 31,928.57 and 12,526.28 is: 17,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.64 : 31,928.57 = 12,526.28 : x
  2. Step 2: Convert to fraction form
    23,136.64/31,928.57 = 12,526.28/x
  3. Step 3: Cross multiply
    23,136.64x = 31,928.57 × 12,526.28
  4. Step 4: Simplify right side
    23,136.64x = 399,946,152.25
  5. Step 5: Solve for x
    x = 399,946,152.25/23,136.64
  6. Step 6: Final answer
    x = 17,286.27

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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.