Home / 13,055.63-19,557.50-6,461.69

Finding the Fourth Proportional to 13,055.63, 19,557.50 and 6,461.69

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Solution

The fourth proportional to 13,055.63, 19,557.50 and 6,461.69 is: 9,679.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.63 : 19,557.50 = 6,461.69 : x
  2. Step 2: Convert to fraction form
    13,055.63/19,557.50 = 6,461.69/x
  3. Step 3: Cross multiply
    13,055.63x = 19,557.50 × 6,461.69
  4. Step 4: Simplify right side
    13,055.63x = 126,374,372.08
  5. Step 5: Solve for x
    x = 126,374,372.08/13,055.63
  6. Step 6: Final answer
    x = 9,679.69

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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.