Home / 19,174.95-28,766.61-14,302.80

Finding the Fourth Proportional to 19,174.95, 28,766.61 and 14,302.80

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Solution

The fourth proportional to 19,174.95, 28,766.61 and 14,302.80 is: 21,457.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.95 : 28,766.61 = 14,302.80 : x
  2. Step 2: Convert to fraction form
    19,174.95/28,766.61 = 14,302.80/x
  3. Step 3: Cross multiply
    19,174.95x = 28,766.61 × 14,302.80
  4. Step 4: Simplify right side
    19,174.95x = 411,443,069.51
  5. Step 5: Solve for x
    x = 411,443,069.51/19,174.95
  6. Step 6: Final answer
    x = 21,457.32

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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.