Home / 23,136.94-31,929.02-12,526.62

Finding the Fourth Proportional to 23,136.94, 31,929.02 and 12,526.62

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Solution

The fourth proportional to 23,136.94, 31,929.02 and 12,526.62 is: 17,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.94 : 31,929.02 = 12,526.62 : x
  2. Step 2: Convert to fraction form
    23,136.94/31,929.02 = 12,526.62/x
  3. Step 3: Cross multiply
    23,136.94x = 31,929.02 × 12,526.62
  4. Step 4: Simplify right side
    23,136.94x = 399,962,700.51
  5. Step 5: Solve for x
    x = 399,962,700.51/23,136.94
  6. Step 6: Final answer
    x = 17,286.76

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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.