Home / 22,011.64-30,386.52-13,949.32

Finding the Fourth Proportional to 22,011.64, 30,386.52 and 13,949.32

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Solution

The fourth proportional to 22,011.64, 30,386.52 and 13,949.32 is: 19,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,011.64 : 30,386.52 = 13,949.32 : x
  2. Step 2: Convert to fraction form
    22,011.64/30,386.52 = 13,949.32/x
  3. Step 3: Cross multiply
    22,011.64x = 30,386.52 × 13,949.32
  4. Step 4: Simplify right side
    22,011.64x = 423,871,291.17
  5. Step 5: Solve for x
    x = 423,871,291.17/22,011.64
  6. Step 6: Final answer
    x = 19,256.69

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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.