Home / 16,802.04-23,186.32-9,728.60

Finding the Fourth Proportional to 16,802.04, 23,186.32 and 9,728.60

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Solution

The fourth proportional to 16,802.04, 23,186.32 and 9,728.60 is: 13,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,802.04 : 23,186.32 = 9,728.60 : x
  2. Step 2: Convert to fraction form
    16,802.04/23,186.32 = 9,728.60/x
  3. Step 3: Cross multiply
    16,802.04x = 23,186.32 × 9,728.60
  4. Step 4: Simplify right side
    16,802.04x = 225,570,432.75
  5. Step 5: Solve for x
    x = 225,570,432.75/16,802.04
  6. Step 6: Final answer
    x = 13,425.18

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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.