Home / 19,721.72-29,492.73-14,727.60

Finding the Fourth Proportional to 19,721.72, 29,492.73 and 14,727.60

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Solution

The fourth proportional to 19,721.72, 29,492.73 and 14,727.60 is: 22,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,721.72 : 29,492.73 = 14,727.60 : x
  2. Step 2: Convert to fraction form
    19,721.72/29,492.73 = 14,727.60/x
  3. Step 3: Cross multiply
    19,721.72x = 29,492.73 × 14,727.60
  4. Step 4: Simplify right side
    19,721.72x = 434,357,130.35
  5. Step 5: Solve for x
    x = 434,357,130.35/19,721.72
  6. Step 6: Final answer
    x = 22,024.30

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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.