Home / 16,870.52-23,281.44-9,316.64

Finding the Fourth Proportional to 16,870.52, 23,281.44 and 9,316.64

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Solution

The fourth proportional to 16,870.52, 23,281.44 and 9,316.64 is: 12,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.52 : 23,281.44 = 9,316.64 : x
  2. Step 2: Convert to fraction form
    16,870.52/23,281.44 = 9,316.64/x
  3. Step 3: Cross multiply
    16,870.52x = 23,281.44 × 9,316.64
  4. Step 4: Simplify right side
    16,870.52x = 216,904,795.16
  5. Step 5: Solve for x
    x = 216,904,795.16/16,870.52
  6. Step 6: Final answer
    x = 12,857.03

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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.