Home / 22,455.08-30,980.49-14,502.68

Finding the Fourth Proportional to 22,455.08, 30,980.49 and 14,502.68

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Solution

The fourth proportional to 22,455.08, 30,980.49 and 14,502.68 is: 20,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.08 : 30,980.49 = 14,502.68 : x
  2. Step 2: Convert to fraction form
    22,455.08/30,980.49 = 14,502.68/x
  3. Step 3: Cross multiply
    22,455.08x = 30,980.49 × 14,502.68
  4. Step 4: Simplify right side
    22,455.08x = 449,300,132.71
  5. Step 5: Solve for x
    x = 449,300,132.71/22,455.08
  6. Step 6: Final answer
    x = 20,008.84

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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.