Home / 19,000.10-26,219.68-10,385.90

Finding the Fourth Proportional to 19,000.10, 26,219.68 and 10,385.90

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Solution

The fourth proportional to 19,000.10, 26,219.68 and 10,385.90 is: 14,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,000.10 : 26,219.68 = 10,385.90 : x
  2. Step 2: Convert to fraction form
    19,000.10/26,219.68 = 10,385.90/x
  3. Step 3: Cross multiply
    19,000.10x = 26,219.68 × 10,385.90
  4. Step 4: Simplify right side
    19,000.10x = 272,315,079.01
  5. Step 5: Solve for x
    x = 272,315,079.01/19,000.10
  6. Step 6: Final answer
    x = 14,332.30

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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.