Home / 13,773.10-19,006.80-7,485.46

Finding the Fourth Proportional to 13,773.10, 19,006.80 and 7,485.46

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Solution

The fourth proportional to 13,773.10, 19,006.80 and 7,485.46 is: 10,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773.10 : 19,006.80 = 7,485.46 : x
  2. Step 2: Convert to fraction form
    13,773.10/19,006.80 = 7,485.46/x
  3. Step 3: Cross multiply
    13,773.10x = 19,006.80 × 7,485.46
  4. Step 4: Simplify right side
    13,773.10x = 142,274,641.13
  5. Step 5: Solve for x
    x = 142,274,641.13/13,773.10
  6. Step 6: Final answer
    x = 10,329.89

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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.