Home / 20,325.24-28,038.29-14,347.44

Finding the Fourth Proportional to 20,325.24, 28,038.29 and 14,347.44

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Solution

The fourth proportional to 20,325.24, 28,038.29 and 14,347.44 is: 19,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.24 : 28,038.29 = 14,347.44 : x
  2. Step 2: Convert to fraction form
    20,325.24/28,038.29 = 14,347.44/x
  3. Step 3: Cross multiply
    20,325.24x = 28,038.29 × 14,347.44
  4. Step 4: Simplify right side
    20,325.24x = 402,277,611.74
  5. Step 5: Solve for x
    x = 402,277,611.74/20,325.24
  6. Step 6: Final answer
    x = 19,792.02

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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.