Home / 14,830.02-20,467.32-9,729.84

Finding the Fourth Proportional to 14,830.02, 20,467.32 and 9,729.84

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Solution

The fourth proportional to 14,830.02, 20,467.32 and 9,729.84 is: 13,428.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.02 : 20,467.32 = 9,729.84 : x
  2. Step 2: Convert to fraction form
    14,830.02/20,467.32 = 9,729.84/x
  3. Step 3: Cross multiply
    14,830.02x = 20,467.32 × 9,729.84
  4. Step 4: Simplify right side
    14,830.02x = 199,143,748.83
  5. Step 5: Solve for x
    x = 199,143,748.83/14,830.02
  6. Step 6: Final answer
    x = 13,428.42

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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.