Home / 13,037.76-19,557.72-4,272.48

Finding the Fourth Proportional to 13,037.76, 19,557.72 and 4,272.48

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Solution

The fourth proportional to 13,037.76, 19,557.72 and 4,272.48 is: 6,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,037.76 : 19,557.72 = 4,272.48 : x
  2. Step 2: Convert to fraction form
    13,037.76/19,557.72 = 4,272.48/x
  3. Step 3: Cross multiply
    13,037.76x = 19,557.72 × 4,272.48
  4. Step 4: Simplify right side
    13,037.76x = 83,559,967.55
  5. Step 5: Solve for x
    x = 83,559,967.55/13,037.76
  6. Step 6: Final answer
    x = 6,409.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.