Home / 19,456.02-29,128.95-15,124.14

Finding the Fourth Proportional to 19,456.02, 29,128.95 and 15,124.14

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Solution

The fourth proportional to 19,456.02, 29,128.95 and 15,124.14 is: 22,643.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.02 : 29,128.95 = 15,124.14 : x
  2. Step 2: Convert to fraction form
    19,456.02/29,128.95 = 15,124.14/x
  3. Step 3: Cross multiply
    19,456.02x = 29,128.95 × 15,124.14
  4. Step 4: Simplify right side
    19,456.02x = 440,550,317.85
  5. Step 5: Solve for x
    x = 440,550,317.85/19,456.02
  6. Step 6: Final answer
    x = 22,643.39

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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.