Home / 46,491.12-69,736.96-13,210.16

Finding the Fourth Proportional to 46,491.12, 69,736.96 and 13,210.16

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Solution

The fourth proportional to 46,491.12, 69,736.96 and 13,210.16 is: 19,815.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,491.12 : 69,736.96 = 13,210.16 : x
  2. Step 2: Convert to fraction form
    46,491.12/69,736.96 = 13,210.16/x
  3. Step 3: Cross multiply
    46,491.12x = 69,736.96 × 13,210.16
  4. Step 4: Simplify right side
    46,491.12x = 921,236,399.51
  5. Step 5: Solve for x
    x = 921,236,399.51/46,491.12
  6. Step 6: Final answer
    x = 19,815.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.