Home / 23,136.45-31,928.25-12,526.08

Finding the Fourth Proportional to 23,136.45, 31,928.25 and 12,526.08

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Solution

The fourth proportional to 23,136.45, 31,928.25 and 12,526.08 is: 17,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.45 : 31,928.25 = 12,526.08 : x
  2. Step 2: Convert to fraction form
    23,136.45/31,928.25 = 12,526.08/x
  3. Step 3: Cross multiply
    23,136.45x = 31,928.25 × 12,526.08
  4. Step 4: Simplify right side
    23,136.45x = 399,935,813.76
  5. Step 5: Solve for x
    x = 399,935,813.76/23,136.45
  6. Step 6: Final answer
    x = 17,285.96

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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.