Home / 22,977.68-31,710.72-15,436.64

Finding the Fourth Proportional to 22,977.68, 31,710.72 and 15,436.64

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Solution

The fourth proportional to 22,977.68, 31,710.72 and 15,436.64 is: 21,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,977.68 : 31,710.72 = 15,436.64 : x
  2. Step 2: Convert to fraction form
    22,977.68/31,710.72 = 15,436.64/x
  3. Step 3: Cross multiply
    22,977.68x = 31,710.72 × 15,436.64
  4. Step 4: Simplify right side
    22,977.68x = 489,506,968.78
  5. Step 5: Solve for x
    x = 489,506,968.78/22,977.68
  6. Step 6: Final answer
    x = 21,303.59

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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.