Home / 25,679.09-35,430.67-15,066.67

Finding the Fourth Proportional to 25,679.09, 35,430.67 and 15,066.67

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Solution

The fourth proportional to 25,679.09, 35,430.67 and 15,066.67 is: 20,788.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,679.09 : 35,430.67 = 15,066.67 : x
  2. Step 2: Convert to fraction form
    25,679.09/35,430.67 = 15,066.67/x
  3. Step 3: Cross multiply
    25,679.09x = 35,430.67 × 15,066.67
  4. Step 4: Simplify right side
    25,679.09x = 533,822,212.77
  5. Step 5: Solve for x
    x = 533,822,212.77/25,679.09
  6. Step 6: Final answer
    x = 20,788.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.