Home / 14,155.12-19,500.30-9,898.22

Finding the Fourth Proportional to 14,155.12, 19,500.30 and 9,898.22

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Solution

The fourth proportional to 14,155.12, 19,500.30 and 9,898.22 is: 13,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.12 : 19,500.30 = 9,898.22 : x
  2. Step 2: Convert to fraction form
    14,155.12/19,500.30 = 9,898.22/x
  3. Step 3: Cross multiply
    14,155.12x = 19,500.30 × 9,898.22
  4. Step 4: Simplify right side
    14,155.12x = 193,018,259.47
  5. Step 5: Solve for x
    x = 193,018,259.47/14,155.12
  6. Step 6: Final answer
    x = 13,635.93

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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.