Home / 15,426.88-23,152.48-7,930.14

Finding the Fourth Proportional to 15,426.88, 23,152.48 and 7,930.14

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Solution

The fourth proportional to 15,426.88, 23,152.48 and 7,930.14 is: 11,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.88 : 23,152.48 = 7,930.14 : x
  2. Step 2: Convert to fraction form
    15,426.88/23,152.48 = 7,930.14/x
  3. Step 3: Cross multiply
    15,426.88x = 23,152.48 × 7,930.14
  4. Step 4: Simplify right side
    15,426.88x = 183,602,407.75
  5. Step 5: Solve for x
    x = 183,602,407.75/15,426.88
  6. Step 6: Final answer
    x = 11,901.46

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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.