Home / 46,486.36-69,729.44-13,206.76

Finding the Fourth Proportional to 46,486.36, 69,729.44 and 13,206.76

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Solution

The fourth proportional to 46,486.36, 69,729.44 and 13,206.76 is: 19,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486.36 : 69,729.44 = 13,206.76 : x
  2. Step 2: Convert to fraction form
    46,486.36/69,729.44 = 13,206.76/x
  3. Step 3: Cross multiply
    46,486.36x = 69,729.44 × 13,206.76
  4. Step 4: Simplify right side
    46,486.36x = 920,899,979.01
  5. Step 5: Solve for x
    x = 920,899,979.01/46,486.36
  6. Step 6: Final answer
    x = 19,810.11

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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.