Home / 14,070.25-19,417.55-7,782.63

Finding the Fourth Proportional to 14,070.25, 19,417.55 and 7,782.63

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Solution

The fourth proportional to 14,070.25, 19,417.55 and 7,782.63 is: 10,740.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.25 : 19,417.55 = 7,782.63 : x
  2. Step 2: Convert to fraction form
    14,070.25/19,417.55 = 7,782.63/x
  3. Step 3: Cross multiply
    14,070.25x = 19,417.55 × 7,782.63
  4. Step 4: Simplify right side
    14,070.25x = 151,119,607.16
  5. Step 5: Solve for x
    x = 151,119,607.16/14,070.25
  6. Step 6: Final answer
    x = 10,740.36

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Similar ratio
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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.