Home / 14,256.72-21,388.28-4,897.36

Finding the Fourth Proportional to 14,256.72, 21,388.28 and 4,897.36

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Solution

The fourth proportional to 14,256.72, 21,388.28 and 4,897.36 is: 7,347.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.72 : 21,388.28 = 4,897.36 : x
  2. Step 2: Convert to fraction form
    14,256.72/21,388.28 = 4,897.36/x
  3. Step 3: Cross multiply
    14,256.72x = 21,388.28 × 4,897.36
  4. Step 4: Simplify right side
    14,256.72x = 104,746,106.94
  5. Step 5: Solve for x
    x = 104,746,106.94/14,256.72
  6. Step 6: Final answer
    x = 7,347.14

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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.