Home / 19,558.19-26,986.14-11,603.00

Finding the Fourth Proportional to 19,558.19, 26,986.14 and 11,603.00

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Solution

The fourth proportional to 19,558.19, 26,986.14 and 11,603.00 is: 16,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.19 : 26,986.14 = 11,603.00 : x
  2. Step 2: Convert to fraction form
    19,558.19/26,986.14 = 11,603.00/x
  3. Step 3: Cross multiply
    19,558.19x = 26,986.14 × 11,603.00
  4. Step 4: Simplify right side
    19,558.19x = 313,120,047.49
  5. Step 5: Solve for x
    x = 313,120,047.49/19,558.19
  6. Step 6: Final answer
    x = 16,009.67

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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.