Home / 14,931.95-20,606.27-8,558.82

Finding the Fourth Proportional to 14,931.95, 20,606.27 and 8,558.82

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Solution

The fourth proportional to 14,931.95, 20,606.27 and 8,558.82 is: 11,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.95 : 20,606.27 = 8,558.82 : x
  2. Step 2: Convert to fraction form
    14,931.95/20,606.27 = 8,558.82/x
  3. Step 3: Cross multiply
    14,931.95x = 20,606.27 × 8,558.82
  4. Step 4: Simplify right side
    14,931.95x = 176,365,313.01
  5. Step 5: Solve for x
    x = 176,365,313.01/14,931.95
  6. Step 6: Final answer
    x = 11,811.28

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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.