Home / 16,875.87-23,281.18-9,798.49

Finding the Fourth Proportional to 16,875.87, 23,281.18 and 9,798.49

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Solution

The fourth proportional to 16,875.87, 23,281.18 and 9,798.49 is: 13,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,875.87 : 23,281.18 = 9,798.49 : x
  2. Step 2: Convert to fraction form
    16,875.87/23,281.18 = 9,798.49/x
  3. Step 3: Cross multiply
    16,875.87x = 23,281.18 × 9,798.49
  4. Step 4: Simplify right side
    16,875.87x = 228,120,409.42
  5. Step 5: Solve for x
    x = 228,120,409.42/16,875.87
  6. Step 6: Final answer
    x = 13,517.55

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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.