Home / 22,370.40-30,872.79-14,803.56

Finding the Fourth Proportional to 22,370.40, 30,872.79 and 14,803.56

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Solution

The fourth proportional to 22,370.40, 30,872.79 and 14,803.56 is: 20,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.40 : 30,872.79 = 14,803.56 : x
  2. Step 2: Convert to fraction form
    22,370.40/30,872.79 = 14,803.56/x
  3. Step 3: Cross multiply
    22,370.40x = 30,872.79 × 14,803.56
  4. Step 4: Simplify right side
    22,370.40x = 457,027,199.13
  5. Step 5: Solve for x
    x = 457,027,199.13/22,370.40
  6. Step 6: Final answer
    x = 20,430.00

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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.