Home / 13,789.95-19,030.02-7,502.32

Finding the Fourth Proportional to 13,789.95, 19,030.02 and 7,502.32

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Solution

The fourth proportional to 13,789.95, 19,030.02 and 7,502.32 is: 10,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.95 : 19,030.02 = 7,502.32 : x
  2. Step 2: Convert to fraction form
    13,789.95/19,030.02 = 7,502.32/x
  3. Step 3: Cross multiply
    13,789.95x = 19,030.02 × 7,502.32
  4. Step 4: Simplify right side
    13,789.95x = 142,769,299.65
  5. Step 5: Solve for x
    x = 142,769,299.65/13,789.95
  6. Step 6: Final answer
    x = 10,353.14

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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.