Home / 22,431.84-30,956.48-12,360.70

Finding the Fourth Proportional to 22,431.84, 30,956.48 and 12,360.70

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Solution

The fourth proportional to 22,431.84, 30,956.48 and 12,360.70 is: 17,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.84 : 30,956.48 = 12,360.70 : x
  2. Step 2: Convert to fraction form
    22,431.84/30,956.48 = 12,360.70/x
  3. Step 3: Cross multiply
    22,431.84x = 30,956.48 × 12,360.70
  4. Step 4: Simplify right side
    22,431.84x = 382,643,762.34
  5. Step 5: Solve for x
    x = 382,643,762.34/22,431.84
  6. Step 6: Final answer
    x = 17,058.06

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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.