Home / 25,666.34-35,420.13-15,063.62

Finding the Fourth Proportional to 25,666.34, 35,420.13 and 15,063.62

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Solution

The fourth proportional to 25,666.34, 35,420.13 and 15,063.62 is: 20,788.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.34 : 35,420.13 = 15,063.62 : x
  2. Step 2: Convert to fraction form
    25,666.34/35,420.13 = 15,063.62/x
  3. Step 3: Cross multiply
    25,666.34x = 35,420.13 × 15,063.62
  4. Step 4: Simplify right side
    25,666.34x = 533,555,378.67
  5. Step 5: Solve for x
    x = 533,555,378.67/25,666.34
  6. Step 6: Final answer
    x = 20,788.14

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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.