Home / 15,403.79-23,087.16-7,072.34

Finding the Fourth Proportional to 15,403.79, 23,087.16 and 7,072.34

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Solution

The fourth proportional to 15,403.79, 23,087.16 and 7,072.34 is: 10,600.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.79 : 23,087.16 = 7,072.34 : x
  2. Step 2: Convert to fraction form
    15,403.79/23,087.16 = 7,072.34/x
  3. Step 3: Cross multiply
    15,403.79x = 23,087.16 × 7,072.34
  4. Step 4: Simplify right side
    15,403.79x = 163,280,129.72
  5. Step 5: Solve for x
    x = 163,280,129.72/15,403.79
  6. Step 6: Final answer
    x = 10,600.00

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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.