Home / 18,783.08-25,898.29-12,068.99

Finding the Fourth Proportional to 18,783.08, 25,898.29 and 12,068.99

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Solution

The fourth proportional to 18,783.08, 25,898.29 and 12,068.99 is: 16,640.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,783.08 : 25,898.29 = 12,068.99 : x
  2. Step 2: Convert to fraction form
    18,783.08/25,898.29 = 12,068.99/x
  3. Step 3: Cross multiply
    18,783.08x = 25,898.29 × 12,068.99
  4. Step 4: Simplify right side
    18,783.08x = 312,566,203.03
  5. Step 5: Solve for x
    x = 312,566,203.03/18,783.08
  6. Step 6: Final answer
    x = 16,640.84

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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.