Home / 16,931.24-23,364.78-9,378.08

Finding the Fourth Proportional to 16,931.24, 23,364.78 and 9,378.08

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Solution

The fourth proportional to 16,931.24, 23,364.78 and 9,378.08 is: 12,941.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.24 : 23,364.78 = 9,378.08 : x
  2. Step 2: Convert to fraction form
    16,931.24/23,364.78 = 9,378.08/x
  3. Step 3: Cross multiply
    16,931.24x = 23,364.78 × 9,378.08
  4. Step 4: Simplify right side
    16,931.24x = 219,116,776.02
  5. Step 5: Solve for x
    x = 219,116,776.02/16,931.24
  6. Step 6: Final answer
    x = 12,941.57

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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.