Home / 16,695.36-23,038.36-9,140.04

Finding the Fourth Proportional to 16,695.36, 23,038.36 and 9,140.04

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Solution

The fourth proportional to 16,695.36, 23,038.36 and 9,140.04 is: 12,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,695.36 : 23,038.36 = 9,140.04 : x
  2. Step 2: Convert to fraction form
    16,695.36/23,038.36 = 9,140.04/x
  3. Step 3: Cross multiply
    16,695.36x = 23,038.36 × 9,140.04
  4. Step 4: Simplify right side
    16,695.36x = 210,571,531.93
  5. Step 5: Solve for x
    x = 210,571,531.93/16,695.36
  6. Step 6: Final answer
    x = 12,612.58

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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.