Home / 15,415.62-23,123.16-4,322.14

Finding the Fourth Proportional to 15,415.62, 23,123.16 and 4,322.14

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Solution

The fourth proportional to 15,415.62, 23,123.16 and 4,322.14 is: 6,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.62 : 23,123.16 = 4,322.14 : x
  2. Step 2: Convert to fraction form
    15,415.62/23,123.16 = 4,322.14/x
  3. Step 3: Cross multiply
    15,415.62x = 23,123.16 × 4,322.14
  4. Step 4: Simplify right side
    15,415.62x = 99,941,534.76
  5. Step 5: Solve for x
    x = 99,941,534.76/15,415.62
  6. Step 6: Final answer
    x = 6,483.13

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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.