Home / 16,903.58-23,328.39-9,829.50

Finding the Fourth Proportional to 16,903.58, 23,328.39 and 9,829.50

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Solution

The fourth proportional to 16,903.58, 23,328.39 and 9,829.50 is: 13,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,903.58 : 23,328.39 = 9,829.50 : x
  2. Step 2: Convert to fraction form
    16,903.58/23,328.39 = 9,829.50/x
  3. Step 3: Cross multiply
    16,903.58x = 23,328.39 × 9,829.50
  4. Step 4: Simplify right side
    16,903.58x = 229,306,409.51
  5. Step 5: Solve for x
    x = 229,306,409.51/16,903.58
  6. Step 6: Final answer
    x = 13,565.56

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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.