Home / 13,994.52-19,312.62-7,707.36

Finding the Fourth Proportional to 13,994.52, 19,312.62 and 7,707.36

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Solution

The fourth proportional to 13,994.52, 19,312.62 and 7,707.36 is: 10,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.52 : 19,312.62 = 7,707.36 : x
  2. Step 2: Convert to fraction form
    13,994.52/19,312.62 = 7,707.36/x
  3. Step 3: Cross multiply
    13,994.52x = 19,312.62 × 7,707.36
  4. Step 4: Simplify right side
    13,994.52x = 148,849,314.88
  5. Step 5: Solve for x
    x = 148,849,314.88/13,994.52
  6. Step 6: Final answer
    x = 10,636.26

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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.