Home / 19,303.85-28,901.16-12,266.42

Finding the Fourth Proportional to 19,303.85, 28,901.16 and 12,266.42

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Solution

The fourth proportional to 19,303.85, 28,901.16 and 12,266.42 is: 18,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.85 : 28,901.16 = 12,266.42 : x
  2. Step 2: Convert to fraction form
    19,303.85/28,901.16 = 12,266.42/x
  3. Step 3: Cross multiply
    19,303.85x = 28,901.16 × 12,266.42
  4. Step 4: Simplify right side
    19,303.85x = 354,513,622.54
  5. Step 5: Solve for x
    x = 354,513,622.54/19,303.85
  6. Step 6: Final answer
    x = 18,364.92

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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.