Home / 17,890.40-24,688.80-9,932.64

Finding the Fourth Proportional to 17,890.40, 24,688.80 and 9,932.64

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Solution

The fourth proportional to 17,890.40, 24,688.80 and 9,932.64 is: 13,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.40 : 24,688.80 = 9,932.64 : x
  2. Step 2: Convert to fraction form
    17,890.40/24,688.80 = 9,932.64/x
  3. Step 3: Cross multiply
    17,890.40x = 24,688.80 × 9,932.64
  4. Step 4: Simplify right side
    17,890.40x = 245,224,962.43
  5. Step 5: Solve for x
    x = 245,224,962.43/17,890.40
  6. Step 6: Final answer
    x = 13,707.07

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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.