Home / 19,564.64-26,999.36-10,612.12

Finding the Fourth Proportional to 19,564.64, 26,999.36 and 10,612.12

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Solution

The fourth proportional to 19,564.64, 26,999.36 and 10,612.12 is: 14,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,564.64 : 26,999.36 = 10,612.12 : x
  2. Step 2: Convert to fraction form
    19,564.64/26,999.36 = 10,612.12/x
  3. Step 3: Cross multiply
    19,564.64x = 26,999.36 × 10,612.12
  4. Step 4: Simplify right side
    19,564.64x = 286,520,448.24
  5. Step 5: Solve for x
    x = 286,520,448.24/19,564.64
  6. Step 6: Final answer
    x = 14,644.81

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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.