Home / 46,478.06-69,726.99-13,208.30

Finding the Fourth Proportional to 46,478.06, 69,726.99 and 13,208.30

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Solution

The fourth proportional to 46,478.06, 69,726.99 and 13,208.30 is: 19,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,478.06 : 69,726.99 = 13,208.30 : x
  2. Step 2: Convert to fraction form
    46,478.06/69,726.99 = 13,208.30/x
  3. Step 3: Cross multiply
    46,478.06x = 69,726.99 × 13,208.30
  4. Step 4: Simplify right side
    46,478.06x = 920,975,002.02
  5. Step 5: Solve for x
    x = 920,975,002.02/46,478.06
  6. Step 6: Final answer
    x = 19,815.26

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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.