Home / 25,038.90-34,566.21-15,612.66

Finding the Fourth Proportional to 25,038.90, 34,566.21 and 15,612.66

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Solution

The fourth proportional to 25,038.90, 34,566.21 and 15,612.66 is: 21,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,038.90 : 34,566.21 = 15,612.66 : x
  2. Step 2: Convert to fraction form
    25,038.90/34,566.21 = 15,612.66/x
  3. Step 3: Cross multiply
    25,038.90x = 34,566.21 × 15,612.66
  4. Step 4: Simplify right side
    25,038.90x = 539,670,484.22
  5. Step 5: Solve for x
    x = 539,670,484.22/25,038.90
  6. Step 6: Final answer
    x = 21,553.28

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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.