Home / 13,031.24-19,557.35-7,412.50

Finding the Fourth Proportional to 13,031.24, 19,557.35 and 7,412.50

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Solution

The fourth proportional to 13,031.24, 19,557.35 and 7,412.50 is: 11,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,031.24 : 19,557.35 = 7,412.50 : x
  2. Step 2: Convert to fraction form
    13,031.24/19,557.35 = 7,412.50/x
  3. Step 3: Cross multiply
    13,031.24x = 19,557.35 × 7,412.50
  4. Step 4: Simplify right side
    13,031.24x = 144,968,722.03
  5. Step 5: Solve for x
    x = 144,968,722.03/13,031.24
  6. Step 6: Final answer
    x = 11,124.71

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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.