Home / 14,017.60-19,345.20-8,051.20

Finding the Fourth Proportional to 14,017.60, 19,345.20 and 8,051.20

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Solution

The fourth proportional to 14,017.60, 19,345.20 and 8,051.20 is: 11,111.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,017.60 : 19,345.20 = 8,051.20 : x
  2. Step 2: Convert to fraction form
    14,017.60/19,345.20 = 8,051.20/x
  3. Step 3: Cross multiply
    14,017.60x = 19,345.20 × 8,051.20
  4. Step 4: Simplify right side
    14,017.60x = 155,752,074.24
  5. Step 5: Solve for x
    x = 155,752,074.24/14,017.60
  6. Step 6: Final answer
    x = 11,111.18

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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.