Home / 28,256.04-42,418.62-13,277.52

Finding the Fourth Proportional to 28,256.04, 42,418.62 and 13,277.52

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Solution

The fourth proportional to 28,256.04, 42,418.62 and 13,277.52 is: 19,932.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.04 : 42,418.62 = 13,277.52 : x
  2. Step 2: Convert to fraction form
    28,256.04/42,418.62 = 13,277.52/x
  3. Step 3: Cross multiply
    28,256.04x = 42,418.62 × 13,277.52
  4. Step 4: Simplify right side
    28,256.04x = 563,214,075.42
  5. Step 5: Solve for x
    x = 563,214,075.42/28,256.04
  6. Step 6: Final answer
    x = 19,932.52

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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.