Home / 16,957.16-23,403.29-9,405.17

Finding the Fourth Proportional to 16,957.16, 23,403.29 and 9,405.17

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Solution

The fourth proportional to 16,957.16, 23,403.29 and 9,405.17 is: 12,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.16 : 23,403.29 = 9,405.17 : x
  2. Step 2: Convert to fraction form
    16,957.16/23,403.29 = 9,405.17/x
  3. Step 3: Cross multiply
    16,957.16x = 23,403.29 × 9,405.17
  4. Step 4: Simplify right side
    16,957.16x = 220,111,756.97
  5. Step 5: Solve for x
    x = 220,111,756.97/16,957.16
  6. Step 6: Final answer
    x = 12,980.46

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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.