Home / 19,539.08-29,308.21-4,748.07

Finding the Fourth Proportional to 19,539.08, 29,308.21 and 4,748.07

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Solution

The fourth proportional to 19,539.08, 29,308.21 and 4,748.07 is: 7,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.08 : 29,308.21 = 4,748.07 : x
  2. Step 2: Convert to fraction form
    19,539.08/29,308.21 = 4,748.07/x
  3. Step 3: Cross multiply
    19,539.08x = 29,308.21 × 4,748.07
  4. Step 4: Simplify right side
    19,539.08x = 139,157,408.91
  5. Step 5: Solve for x
    x = 139,157,408.91/19,539.08
  6. Step 6: Final answer
    x = 7,122.01

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1.5x scale

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.