Home / 15,567.54-21,475.41-9,275.46

Finding the Fourth Proportional to 15,567.54, 21,475.41 and 9,275.46

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Solution

The fourth proportional to 15,567.54, 21,475.41 and 9,275.46 is: 12,795.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.54 : 21,475.41 = 9,275.46 : x
  2. Step 2: Convert to fraction form
    15,567.54/21,475.41 = 9,275.46/x
  3. Step 3: Cross multiply
    15,567.54x = 21,475.41 × 9,275.46
  4. Step 4: Simplify right side
    15,567.54x = 199,194,306.44
  5. Step 5: Solve for x
    x = 199,194,306.44/15,567.54
  6. Step 6: Final answer
    x = 12,795.49

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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.