Home / 19,642.32-27,106.12-10,810.32

Finding the Fourth Proportional to 19,642.32, 27,106.12 and 10,810.32

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Solution

The fourth proportional to 19,642.32, 27,106.12 and 10,810.32 is: 14,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.32 : 27,106.12 = 10,810.32 : x
  2. Step 2: Convert to fraction form
    19,642.32/27,106.12 = 10,810.32/x
  3. Step 3: Cross multiply
    19,642.32x = 27,106.12 × 10,810.32
  4. Step 4: Simplify right side
    19,642.32x = 293,025,831.16
  5. Step 5: Solve for x
    x = 293,025,831.16/19,642.32
  6. Step 6: Final answer
    x = 14,918.09

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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.