Home / 19,558.08-26,989.67-10,605.35

Finding the Fourth Proportional to 19,558.08, 26,989.67 and 10,605.35

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Solution

The fourth proportional to 19,558.08, 26,989.67 and 10,605.35 is: 14,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.08 : 26,989.67 = 10,605.35 : x
  2. Step 2: Convert to fraction form
    19,558.08/26,989.67 = 10,605.35/x
  3. Step 3: Cross multiply
    19,558.08x = 26,989.67 × 10,605.35
  4. Step 4: Simplify right side
    19,558.08x = 286,234,990.72
  5. Step 5: Solve for x
    x = 286,234,990.72/19,558.08
  6. Step 6: Final answer
    x = 14,635.13

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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.