Home / 15,645.39-23,420.91-10,087.67

Finding the Fourth Proportional to 15,645.39, 23,420.91 and 10,087.67

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Solution

The fourth proportional to 15,645.39, 23,420.91 and 10,087.67 is: 15,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,645.39 : 23,420.91 = 10,087.67 : x
  2. Step 2: Convert to fraction form
    15,645.39/23,420.91 = 10,087.67/x
  3. Step 3: Cross multiply
    15,645.39x = 23,420.91 × 10,087.67
  4. Step 4: Simplify right side
    15,645.39x = 236,262,294.08
  5. Step 5: Solve for x
    x = 236,262,294.08/15,645.39
  6. Step 6: Final answer
    x = 15,101.08

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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.