Home / 14,880.95-20,533.53-8,911.35

Finding the Fourth Proportional to 14,880.95, 20,533.53 and 8,911.35

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Solution

The fourth proportional to 14,880.95, 20,533.53 and 8,911.35 is: 12,296.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880.95 : 20,533.53 = 8,911.35 : x
  2. Step 2: Convert to fraction form
    14,880.95/20,533.53 = 8,911.35/x
  3. Step 3: Cross multiply
    14,880.95x = 20,533.53 × 8,911.35
  4. Step 4: Simplify right side
    14,880.95x = 182,981,369.90
  5. Step 5: Solve for x
    x = 182,981,369.90/14,880.95
  6. Step 6: Final answer
    x = 12,296.35

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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.