Home / 19,947.48-29,929.88-10,702.68

Finding the Fourth Proportional to 19,947.48, 29,929.88 and 10,702.68

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Solution

The fourth proportional to 19,947.48, 29,929.88 and 10,702.68 is: 16,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.48 : 29,929.88 = 10,702.68 : x
  2. Step 2: Convert to fraction form
    19,947.48/29,929.88 = 10,702.68/x
  3. Step 3: Cross multiply
    19,947.48x = 29,929.88 × 10,702.68
  4. Step 4: Simplify right side
    19,947.48x = 320,329,928.08
  5. Step 5: Solve for x
    x = 320,329,928.08/19,947.48
  6. Step 6: Final answer
    x = 16,058.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.