Home / 25,323.89-34,948.31-15,255.50

Finding the Fourth Proportional to 25,323.89, 34,948.31 and 15,255.50

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Solution

The fourth proportional to 25,323.89, 34,948.31 and 15,255.50 is: 21,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.89 : 34,948.31 = 15,255.50 : x
  2. Step 2: Convert to fraction form
    25,323.89/34,948.31 = 15,255.50/x
  3. Step 3: Cross multiply
    25,323.89x = 34,948.31 × 15,255.50
  4. Step 4: Simplify right side
    25,323.89x = 533,153,692.19
  5. Step 5: Solve for x
    x = 533,153,692.19/25,323.89
  6. Step 6: Final answer
    x = 21,053.39

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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.