Home / 13,810.96-20,725.52-7,575.35

Finding the Fourth Proportional to 13,810.96, 20,725.52 and 7,575.35

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Solution

The fourth proportional to 13,810.96, 20,725.52 and 7,575.35 is: 11,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.96 : 20,725.52 = 7,575.35 : x
  2. Step 2: Convert to fraction form
    13,810.96/20,725.52 = 7,575.35/x
  3. Step 3: Cross multiply
    13,810.96x = 20,725.52 × 7,575.35
  4. Step 4: Simplify right side
    13,810.96x = 157,002,983.24
  5. Step 5: Solve for x
    x = 157,002,983.24/13,810.96
  6. Step 6: Final answer
    x = 11,368.00

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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.