Home / 13,925.13-19,216.77-7,551.75

Finding the Fourth Proportional to 13,925.13, 19,216.77 and 7,551.75

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Solution

The fourth proportional to 13,925.13, 19,216.77 and 7,551.75 is: 10,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.13 : 19,216.77 = 7,551.75 : x
  2. Step 2: Convert to fraction form
    13,925.13/19,216.77 = 7,551.75/x
  3. Step 3: Cross multiply
    13,925.13x = 19,216.77 × 7,551.75
  4. Step 4: Simplify right side
    13,925.13x = 145,120,242.85
  5. Step 5: Solve for x
    x = 145,120,242.85/13,925.13
  6. Step 6: Final answer
    x = 10,421.46

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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.