Home / 13,295.18-19,785.85-12,852.25

Finding the Fourth Proportional to 13,295.18, 19,785.85 and 12,852.25

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Solution

The fourth proportional to 13,295.18, 19,785.85 and 12,852.25 is: 19,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.18 : 19,785.85 = 12,852.25 : x
  2. Step 2: Convert to fraction form
    13,295.18/19,785.85 = 12,852.25/x
  3. Step 3: Cross multiply
    13,295.18x = 19,785.85 × 12,852.25
  4. Step 4: Simplify right side
    13,295.18x = 254,292,609.07
  5. Step 5: Solve for x
    x = 254,292,609.07/13,295.18
  6. Step 6: Final answer
    x = 19,126.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.