Home / 25,071.63-34,598.84-15,000.49

Finding the Fourth Proportional to 25,071.63, 34,598.84 and 15,000.49

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Solution

The fourth proportional to 25,071.63, 34,598.84 and 15,000.49 is: 20,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,071.63 : 34,598.84 = 15,000.49 : x
  2. Step 2: Convert to fraction form
    25,071.63/34,598.84 = 15,000.49/x
  3. Step 3: Cross multiply
    25,071.63x = 34,598.84 × 15,000.49
  4. Step 4: Simplify right side
    25,071.63x = 518,999,553.43
  5. Step 5: Solve for x
    x = 518,999,553.43/25,071.63
  6. Step 6: Final answer
    x = 20,700.67

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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.