Home / 13,790.04-19,030.32-7,502.46

Finding the Fourth Proportional to 13,790.04, 19,030.32 and 7,502.46

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Solution

The fourth proportional to 13,790.04, 19,030.32 and 7,502.46 is: 10,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.04 : 19,030.32 = 7,502.46 : x
  2. Step 2: Convert to fraction form
    13,790.04/19,030.32 = 7,502.46/x
  3. Step 3: Cross multiply
    13,790.04x = 19,030.32 × 7,502.46
  4. Step 4: Simplify right side
    13,790.04x = 142,774,214.59
  5. Step 5: Solve for x
    x = 142,774,214.59/13,790.04
  6. Step 6: Final answer
    x = 10,353.43

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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.