Home / 14,863.95-20,490.93-10,607.76

Finding the Fourth Proportional to 14,863.95, 20,490.93 and 10,607.76

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Solution

The fourth proportional to 14,863.95, 20,490.93 and 10,607.76 is: 14,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.95 : 20,490.93 = 10,607.76 : x
  2. Step 2: Convert to fraction form
    14,863.95/20,490.93 = 10,607.76/x
  3. Step 3: Cross multiply
    14,863.95x = 20,490.93 × 10,607.76
  4. Step 4: Simplify right side
    14,863.95x = 217,362,867.62
  5. Step 5: Solve for x
    x = 217,362,867.62/14,863.95
  6. Step 6: Final answer
    x = 14,623.49

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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.