Home / 16,931.61-23,364.30-9,377.35

Finding the Fourth Proportional to 16,931.61, 23,364.30 and 9,377.35

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Solution

The fourth proportional to 16,931.61, 23,364.30 and 9,377.35 is: 12,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.61 : 23,364.30 = 9,377.35 : x
  2. Step 2: Convert to fraction form
    16,931.61/23,364.30 = 9,377.35/x
  3. Step 3: Cross multiply
    16,931.61x = 23,364.30 × 9,377.35
  4. Step 4: Simplify right side
    16,931.61x = 219,095,160.19
  5. Step 5: Solve for x
    x = 219,095,160.19/16,931.61
  6. Step 6: Final answer
    x = 12,940.01

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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.