Home / 15,927.25-23,756.50-13,830.77

Finding the Fourth Proportional to 15,927.25, 23,756.50 and 13,830.77

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Solution

The fourth proportional to 15,927.25, 23,756.50 and 13,830.77 is: 20,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,927.25 : 23,756.50 = 13,830.77 : x
  2. Step 2: Convert to fraction form
    15,927.25/23,756.50 = 13,830.77/x
  3. Step 3: Cross multiply
    15,927.25x = 23,756.50 × 13,830.77
  4. Step 4: Simplify right side
    15,927.25x = 328,570,687.51
  5. Step 5: Solve for x
    x = 328,570,687.51/15,927.25
  6. Step 6: Final answer
    x = 20,629.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.