Home / 14,070.44-19,417.22-7,782.81

Finding the Fourth Proportional to 14,070.44, 19,417.22 and 7,782.81

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Solution

The fourth proportional to 14,070.44, 19,417.22 and 7,782.81 is: 10,740.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.44 : 19,417.22 = 7,782.81 : x
  2. Step 2: Convert to fraction form
    14,070.44/19,417.22 = 7,782.81/x
  3. Step 3: Cross multiply
    14,070.44x = 19,417.22 × 7,782.81
  4. Step 4: Simplify right side
    14,070.44x = 151,120,533.99
  5. Step 5: Solve for x
    x = 151,120,533.99/14,070.44
  6. Step 6: Final answer
    x = 10,740.28

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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.