Home / 16,864.90-23,274.34-9,312.30

Finding the Fourth Proportional to 16,864.90, 23,274.34 and 9,312.30

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Solution

The fourth proportional to 16,864.90, 23,274.34 and 9,312.30 is: 12,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.90 : 23,274.34 = 9,312.30 : x
  2. Step 2: Convert to fraction form
    16,864.90/23,274.34 = 9,312.30/x
  3. Step 3: Cross multiply
    16,864.90x = 23,274.34 × 9,312.30
  4. Step 4: Simplify right side
    16,864.90x = 216,737,613.10
  5. Step 5: Solve for x
    x = 216,737,613.10/16,864.90
  6. Step 6: Final answer
    x = 12,851.40

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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.