Home / 23,136.40-31,928.22-12,526.03

Finding the Fourth Proportional to 23,136.40, 31,928.22 and 12,526.03

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Solution

The fourth proportional to 23,136.40, 31,928.22 and 12,526.03 is: 17,285.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.40 : 31,928.22 = 12,526.03 : x
  2. Step 2: Convert to fraction form
    23,136.40/31,928.22 = 12,526.03/x
  3. Step 3: Cross multiply
    23,136.40x = 31,928.22 × 12,526.03
  4. Step 4: Simplify right side
    23,136.40x = 399,933,681.93
  5. Step 5: Solve for x
    x = 399,933,681.93/23,136.40
  6. Step 6: Final answer
    x = 17,285.91

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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.