Home / 13,795.63-19,037.76-8,416.84

Finding the Fourth Proportional to 13,795.63, 19,037.76 and 8,416.84

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Solution

The fourth proportional to 13,795.63, 19,037.76 and 8,416.84 is: 11,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.63 : 19,037.76 = 8,416.84 : x
  2. Step 2: Convert to fraction form
    13,795.63/19,037.76 = 8,416.84/x
  3. Step 3: Cross multiply
    13,795.63x = 19,037.76 × 8,416.84
  4. Step 4: Simplify right side
    13,795.63x = 160,237,779.88
  5. Step 5: Solve for x
    x = 160,237,779.88/13,795.63
  6. Step 6: Final answer
    x = 11,615.11

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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.