Home / 16,866.66-23,275.86-9,312.99

Finding the Fourth Proportional to 16,866.66, 23,275.86 and 9,312.99

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Solution

The fourth proportional to 16,866.66, 23,275.86 and 9,312.99 is: 12,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.66 : 23,275.86 = 9,312.99 : x
  2. Step 2: Convert to fraction form
    16,866.66/23,275.86 = 9,312.99/x
  3. Step 3: Cross multiply
    16,866.66x = 23,275.86 × 9,312.99
  4. Step 4: Simplify right side
    16,866.66x = 216,767,851.42
  5. Step 5: Solve for x
    x = 216,767,851.42/16,866.66
  6. Step 6: Final answer
    x = 12,851.85

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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.