Home / 19,308.22-26,643.14-10,809.16

Finding the Fourth Proportional to 19,308.22, 26,643.14 and 10,809.16

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Solution

The fourth proportional to 19,308.22, 26,643.14 and 10,809.16 is: 14,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.22 : 26,643.14 = 10,809.16 : x
  2. Step 2: Convert to fraction form
    19,308.22/26,643.14 = 10,809.16/x
  3. Step 3: Cross multiply
    19,308.22x = 26,643.14 × 10,809.16
  4. Step 4: Simplify right side
    19,308.22x = 287,989,963.16
  5. Step 5: Solve for x
    x = 287,989,963.16/19,308.22
  6. Step 6: Final answer
    x = 14,915.41

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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.