Home / 14,435.91-21,652.47-9,785.81

Finding the Fourth Proportional to 14,435.91, 21,652.47 and 9,785.81

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Solution

The fourth proportional to 14,435.91, 21,652.47 and 9,785.81 is: 14,677.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,435.91 : 21,652.47 = 9,785.81 : x
  2. Step 2: Convert to fraction form
    14,435.91/21,652.47 = 9,785.81/x
  3. Step 3: Cross multiply
    14,435.91x = 21,652.47 × 9,785.81
  4. Step 4: Simplify right side
    14,435.91x = 211,887,011.58
  5. Step 5: Solve for x
    x = 211,887,011.58/14,435.91
  6. Step 6: Final answer
    x = 14,677.77

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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.