Home / 15,710.40-23,433.24-14,621.76

Finding the Fourth Proportional to 15,710.40, 23,433.24 and 14,621.76

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Solution

The fourth proportional to 15,710.40, 23,433.24 and 14,621.76 is: 21,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710.40 : 23,433.24 = 14,621.76 : x
  2. Step 2: Convert to fraction form
    15,710.40/23,433.24 = 14,621.76/x
  3. Step 3: Cross multiply
    15,710.40x = 23,433.24 × 14,621.76
  4. Step 4: Simplify right side
    15,710.40x = 342,635,211.30
  5. Step 5: Solve for x
    x = 342,635,211.30/15,710.40
  6. Step 6: Final answer
    x = 21,809.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.