Home / 22,403.16-30,905.98-14,447.95

Finding the Fourth Proportional to 22,403.16, 30,905.98 and 14,447.95

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Solution

The fourth proportional to 22,403.16, 30,905.98 and 14,447.95 is: 19,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.16 : 30,905.98 = 14,447.95 : x
  2. Step 2: Convert to fraction form
    22,403.16/30,905.98 = 14,447.95/x
  3. Step 3: Cross multiply
    22,403.16x = 30,905.98 × 14,447.95
  4. Step 4: Simplify right side
    22,403.16x = 446,527,940.36
  5. Step 5: Solve for x
    x = 446,527,940.36/22,403.16
  6. Step 6: Final answer
    x = 19,931.47

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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.