Home / 13,317.03-19,970.36-4,992.51

Finding the Fourth Proportional to 13,317.03, 19,970.36 and 4,992.51

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Solution

The fourth proportional to 13,317.03, 19,970.36 and 4,992.51 is: 7,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.03 : 19,970.36 = 4,992.51 : x
  2. Step 2: Convert to fraction form
    13,317.03/19,970.36 = 4,992.51/x
  3. Step 3: Cross multiply
    13,317.03x = 19,970.36 × 4,992.51
  4. Step 4: Simplify right side
    13,317.03x = 99,702,228.24
  5. Step 5: Solve for x
    x = 99,702,228.24/13,317.03
  6. Step 6: Final answer
    x = 7,486.82

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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.