Home / 25,621.68-35,358.10-14,868.72

Finding the Fourth Proportional to 25,621.68, 35,358.10 and 14,868.72

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Solution

The fourth proportional to 25,621.68, 35,358.10 and 14,868.72 is: 20,518.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,621.68 : 35,358.10 = 14,868.72 : x
  2. Step 2: Convert to fraction form
    25,621.68/35,358.10 = 14,868.72/x
  3. Step 3: Cross multiply
    25,621.68x = 35,358.10 × 14,868.72
  4. Step 4: Simplify right side
    25,621.68x = 525,729,688.63
  5. Step 5: Solve for x
    x = 525,729,688.63/25,621.68
  6. Step 6: Final answer
    x = 20,518.94

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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.