Home / 23,135.90-31,927.53-12,525.53

Finding the Fourth Proportional to 23,135.90, 31,927.53 and 12,525.53

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Solution

The fourth proportional to 23,135.90, 31,927.53 and 12,525.53 is: 17,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.90 : 31,927.53 = 12,525.53 : x
  2. Step 2: Convert to fraction form
    23,135.90/31,927.53 = 12,525.53/x
  3. Step 3: Cross multiply
    23,135.90x = 31,927.53 × 12,525.53
  4. Step 4: Simplify right side
    23,135.90x = 399,909,075.20
  5. Step 5: Solve for x
    x = 399,909,075.20/23,135.90
  6. Step 6: Final answer
    x = 17,285.22

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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.