Home / 13,786.12-19,024.76-7,498.52

Finding the Fourth Proportional to 13,786.12, 19,024.76 and 7,498.52

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Solution

The fourth proportional to 13,786.12, 19,024.76 and 7,498.52 is: 10,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.12 : 19,024.76 = 7,498.52 : x
  2. Step 2: Convert to fraction form
    13,786.12/19,024.76 = 7,498.52/x
  3. Step 3: Cross multiply
    13,786.12x = 19,024.76 × 7,498.52
  4. Step 4: Simplify right side
    13,786.12x = 142,657,543.36
  5. Step 5: Solve for x
    x = 142,657,543.36/13,786.12
  6. Step 6: Final answer
    x = 10,347.91

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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.