Home / 14,030.28-19,362.07-7,742.66

Finding the Fourth Proportional to 14,030.28, 19,362.07 and 7,742.66

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Solution

The fourth proportional to 14,030.28, 19,362.07 and 7,742.66 is: 10,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,030.28 : 19,362.07 = 7,742.66 : x
  2. Step 2: Convert to fraction form
    14,030.28/19,362.07 = 7,742.66/x
  3. Step 3: Cross multiply
    14,030.28x = 19,362.07 × 7,742.66
  4. Step 4: Simplify right side
    14,030.28x = 149,913,837.77
  5. Step 5: Solve for x
    x = 149,913,837.77/14,030.28
  6. Step 6: Final answer
    x = 10,685.02

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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.