Home / 14,190.32-21,248.16-10,007.76

Finding the Fourth Proportional to 14,190.32, 21,248.16 and 10,007.76

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Solution

The fourth proportional to 14,190.32, 21,248.16 and 10,007.76 is: 14,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.32 : 21,248.16 = 10,007.76 : x
  2. Step 2: Convert to fraction form
    14,190.32/21,248.16 = 10,007.76/x
  3. Step 3: Cross multiply
    14,190.32x = 21,248.16 × 10,007.76
  4. Step 4: Simplify right side
    14,190.32x = 212,646,485.72
  5. Step 5: Solve for x
    x = 212,646,485.72/14,190.32
  6. Step 6: Final answer
    x = 14,985.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.