Home / 14,525.91-20,043.09-9,752.78

Finding the Fourth Proportional to 14,525.91, 20,043.09 and 9,752.78

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Solution

The fourth proportional to 14,525.91, 20,043.09 and 9,752.78 is: 13,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.91 : 20,043.09 = 9,752.78 : x
  2. Step 2: Convert to fraction form
    14,525.91/20,043.09 = 9,752.78/x
  3. Step 3: Cross multiply
    14,525.91x = 20,043.09 × 9,752.78
  4. Step 4: Simplify right side
    14,525.91x = 195,475,897.40
  5. Step 5: Solve for x
    x = 195,475,897.40/14,525.91
  6. Step 6: Final answer
    x = 13,457.05

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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.