Home / 16,866.17-23,275.21-9,312.98

Finding the Fourth Proportional to 16,866.17, 23,275.21 and 9,312.98

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Solution

The fourth proportional to 16,866.17, 23,275.21 and 9,312.98 is: 12,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.17 : 23,275.21 = 9,312.98 : x
  2. Step 2: Convert to fraction form
    16,866.17/23,275.21 = 9,312.98/x
  3. Step 3: Cross multiply
    16,866.17x = 23,275.21 × 9,312.98
  4. Step 4: Simplify right side
    16,866.17x = 216,761,425.57
  5. Step 5: Solve for x
    x = 216,761,425.57/16,866.17
  6. Step 6: Final answer
    x = 12,851.84

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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.