Home / 14,895.48-20,557.50-8,607.72

Finding the Fourth Proportional to 14,895.48, 20,557.50 and 8,607.72

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Solution

The fourth proportional to 14,895.48, 20,557.50 and 8,607.72 is: 11,879.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,895.48 : 20,557.50 = 8,607.72 : x
  2. Step 2: Convert to fraction form
    14,895.48/20,557.50 = 8,607.72/x
  3. Step 3: Cross multiply
    14,895.48x = 20,557.50 × 8,607.72
  4. Step 4: Simplify right side
    14,895.48x = 176,953,203.90
  5. Step 5: Solve for x
    x = 176,953,203.90/14,895.48
  6. Step 6: Final answer
    x = 11,879.66

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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.