Home / 23,215.86-32,037.80-13,145.00

Finding the Fourth Proportional to 23,215.86, 32,037.80 and 13,145.00

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Solution

The fourth proportional to 23,215.86, 32,037.80 and 13,145.00 is: 18,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,215.86 : 32,037.80 = 13,145.00 : x
  2. Step 2: Convert to fraction form
    23,215.86/32,037.80 = 13,145.00/x
  3. Step 3: Cross multiply
    23,215.86x = 32,037.80 × 13,145.00
  4. Step 4: Simplify right side
    23,215.86x = 421,136,655.09
  5. Step 5: Solve for x
    x = 421,136,655.09/23,215.86
  6. Step 6: Final answer
    x = 18,140.04

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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.