Home / 16,897.50-23,310.45-10,931.04

Finding the Fourth Proportional to 16,897.50, 23,310.45 and 10,931.04

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Solution

The fourth proportional to 16,897.50, 23,310.45 and 10,931.04 is: 15,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.50 : 23,310.45 = 10,931.04 : x
  2. Step 2: Convert to fraction form
    16,897.50/23,310.45 = 10,931.04/x
  3. Step 3: Cross multiply
    16,897.50x = 23,310.45 × 10,931.04
  4. Step 4: Simplify right side
    16,897.50x = 254,807,461.37
  5. Step 5: Solve for x
    x = 254,807,461.37/16,897.50
  6. Step 6: Final answer
    x = 15,079.60

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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.