Home / 23,891.42-32,970.40-13,136.86

Finding the Fourth Proportional to 23,891.42, 32,970.40 and 13,136.86

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Solution

The fourth proportional to 23,891.42, 32,970.40 and 13,136.86 is: 18,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.42 : 32,970.40 = 13,136.86 : x
  2. Step 2: Convert to fraction form
    23,891.42/32,970.40 = 13,136.86/x
  3. Step 3: Cross multiply
    23,891.42x = 32,970.40 × 13,136.86
  4. Step 4: Simplify right side
    23,891.42x = 433,127,528.94
  5. Step 5: Solve for x
    x = 433,127,528.94/23,891.42
  6. Step 6: Final answer
    x = 18,129.00

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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.