Home / 15,515.42-23,097.63-15,423.16

Finding the Fourth Proportional to 15,515.42, 23,097.63 and 15,423.16

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Solution

The fourth proportional to 15,515.42, 23,097.63 and 15,423.16 is: 22,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515.42 : 23,097.63 = 15,423.16 : x
  2. Step 2: Convert to fraction form
    15,515.42/23,097.63 = 15,423.16/x
  3. Step 3: Cross multiply
    15,515.42x = 23,097.63 × 15,423.16
  4. Step 4: Simplify right side
    15,515.42x = 356,238,443.11
  5. Step 5: Solve for x
    x = 356,238,443.11/15,515.42
  6. Step 6: Final answer
    x = 22,960.28

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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.