Home / 13,925.52-19,216.80-7,637.76

Finding the Fourth Proportional to 13,925.52, 19,216.80 and 7,637.76

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Solution

The fourth proportional to 13,925.52, 19,216.80 and 7,637.76 is: 10,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.52 : 19,216.80 = 7,637.76 : x
  2. Step 2: Convert to fraction form
    13,925.52/19,216.80 = 7,637.76/x
  3. Step 3: Cross multiply
    13,925.52x = 19,216.80 × 7,637.76
  4. Step 4: Simplify right side
    13,925.52x = 146,773,306.37
  5. Step 5: Solve for x
    x = 146,773,306.37/13,925.52
  6. Step 6: Final answer
    x = 10,539.88

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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.