Home / 14,070.87-19,406.98-9,820.58

Finding the Fourth Proportional to 14,070.87, 19,406.98 and 9,820.58

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Solution

The fourth proportional to 14,070.87, 19,406.98 and 9,820.58 is: 13,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.87 : 19,406.98 = 9,820.58 : x
  2. Step 2: Convert to fraction form
    14,070.87/19,406.98 = 9,820.58/x
  3. Step 3: Cross multiply
    14,070.87x = 19,406.98 × 9,820.58
  4. Step 4: Simplify right side
    14,070.87x = 190,587,714.89
  5. Step 5: Solve for x
    x = 190,587,714.89/14,070.87
  6. Step 6: Final answer
    x = 13,544.84

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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.