Home / 18,953.19-28,428.15-6,473.52

Finding the Fourth Proportional to 18,953.19, 28,428.15 and 6,473.52

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Solution

The fourth proportional to 18,953.19, 28,428.15 and 6,473.52 is: 9,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.19 : 28,428.15 = 6,473.52 : x
  2. Step 2: Convert to fraction form
    18,953.19/28,428.15 = 6,473.52/x
  3. Step 3: Cross multiply
    18,953.19x = 28,428.15 × 6,473.52
  4. Step 4: Simplify right side
    18,953.19x = 184,030,197.59
  5. Step 5: Solve for x
    x = 184,030,197.59/18,953.19
  6. Step 6: Final answer
    x = 9,709.72

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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.