Home / 13,994.29-19,312.06-7,706.66

Finding the Fourth Proportional to 13,994.29, 19,312.06 and 7,706.66

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Solution

The fourth proportional to 13,994.29, 19,312.06 and 7,706.66 is: 10,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.29 : 19,312.06 = 7,706.66 : x
  2. Step 2: Convert to fraction form
    13,994.29/19,312.06 = 7,706.66/x
  3. Step 3: Cross multiply
    13,994.29x = 19,312.06 × 7,706.66
  4. Step 4: Simplify right side
    13,994.29x = 148,831,480.32
  5. Step 5: Solve for x
    x = 148,831,480.32/13,994.29
  6. Step 6: Final answer
    x = 10,635.16

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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.