Home / 13,813.32-19,062.50-7,525.70

Finding the Fourth Proportional to 13,813.32, 19,062.50 and 7,525.70

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Solution

The fourth proportional to 13,813.32, 19,062.50 and 7,525.70 is: 10,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.32 : 19,062.50 = 7,525.70 : x
  2. Step 2: Convert to fraction form
    13,813.32/19,062.50 = 7,525.70/x
  3. Step 3: Cross multiply
    13,813.32x = 19,062.50 × 7,525.70
  4. Step 4: Simplify right side
    13,813.32x = 143,458,656.25
  5. Step 5: Solve for x
    x = 143,458,656.25/13,813.32
  6. Step 6: Final answer
    x = 10,385.53

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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.