Home / 13,801.30-19,051.53-10,445.06

Finding the Fourth Proportional to 13,801.30, 19,051.53 and 10,445.06

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Solution

The fourth proportional to 13,801.30, 19,051.53 and 10,445.06 is: 14,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.30 : 19,051.53 = 10,445.06 : x
  2. Step 2: Convert to fraction form
    13,801.30/19,051.53 = 10,445.06/x
  3. Step 3: Cross multiply
    13,801.30x = 19,051.53 × 10,445.06
  4. Step 4: Simplify right side
    13,801.30x = 198,994,373.94
  5. Step 5: Solve for x
    x = 198,994,373.94/13,801.30
  6. Step 6: Final answer
    x = 14,418.52

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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.