Home / 20,532.51-28,332.27-12,037.50

Finding the Fourth Proportional to 20,532.51, 28,332.27 and 12,037.50

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Solution

The fourth proportional to 20,532.51, 28,332.27 and 12,037.50 is: 16,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.51 : 28,332.27 = 12,037.50 : x
  2. Step 2: Convert to fraction form
    20,532.51/28,332.27 = 12,037.50/x
  3. Step 3: Cross multiply
    20,532.51x = 28,332.27 × 12,037.50
  4. Step 4: Simplify right side
    20,532.51x = 341,049,700.13
  5. Step 5: Solve for x
    x = 341,049,700.13/20,532.51
  6. Step 6: Final answer
    x = 16,610.23

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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.