Home / 13,953.61-19,256.01-8,209.58

Finding the Fourth Proportional to 13,953.61, 19,256.01 and 8,209.58

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Solution

The fourth proportional to 13,953.61, 19,256.01 and 8,209.58 is: 11,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.61 : 19,256.01 = 8,209.58 : x
  2. Step 2: Convert to fraction form
    13,953.61/19,256.01 = 8,209.58/x
  3. Step 3: Cross multiply
    13,953.61x = 19,256.01 × 8,209.58
  4. Step 4: Simplify right side
    13,953.61x = 158,083,754.58
  5. Step 5: Solve for x
    x = 158,083,754.58/13,953.61
  6. Step 6: Final answer
    x = 11,329.24

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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.