Home / 22,432.40-30,956.80-12,360.36

Finding the Fourth Proportional to 22,432.40, 30,956.80 and 12,360.36

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Solution

The fourth proportional to 22,432.40, 30,956.80 and 12,360.36 is: 17,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,432.40 : 30,956.80 = 12,360.36 : x
  2. Step 2: Convert to fraction form
    22,432.40/30,956.80 = 12,360.36/x
  3. Step 3: Cross multiply
    22,432.40x = 30,956.80 × 12,360.36
  4. Step 4: Simplify right side
    22,432.40x = 382,637,192.45
  5. Step 5: Solve for x
    x = 382,637,192.45/22,432.40
  6. Step 6: Final answer
    x = 17,057.35

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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.