Home / 16,860.16-23,263.04-9,785.36

Finding the Fourth Proportional to 16,860.16, 23,263.04 and 9,785.36

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Solution

The fourth proportional to 16,860.16, 23,263.04 and 9,785.36 is: 13,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.16 : 23,263.04 = 9,785.36 : x
  2. Step 2: Convert to fraction form
    16,860.16/23,263.04 = 9,785.36/x
  3. Step 3: Cross multiply
    16,860.16x = 23,263.04 × 9,785.36
  4. Step 4: Simplify right side
    16,860.16x = 227,637,221.09
  5. Step 5: Solve for x
    x = 227,637,221.09/16,860.16
  6. Step 6: Final answer
    x = 13,501.49

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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.