Home / 13,862.50-19,130.43-7,575.01

Finding the Fourth Proportional to 13,862.50, 19,130.43 and 7,575.01

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Solution

The fourth proportional to 13,862.50, 19,130.43 and 7,575.01 is: 10,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.50 : 19,130.43 = 7,575.01 : x
  2. Step 2: Convert to fraction form
    13,862.50/19,130.43 = 7,575.01/x
  3. Step 3: Cross multiply
    13,862.50x = 19,130.43 × 7,575.01
  4. Step 4: Simplify right side
    13,862.50x = 144,913,198.55
  5. Step 5: Solve for x
    x = 144,913,198.55/13,862.50
  6. Step 6: Final answer
    x = 10,453.61

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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.