Home / 19,572.04-27,009.89-10,619.92

Finding the Fourth Proportional to 19,572.04, 27,009.89 and 10,619.92

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Solution

The fourth proportional to 19,572.04, 27,009.89 and 10,619.92 is: 14,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.04 : 27,009.89 = 10,619.92 : x
  2. Step 2: Convert to fraction form
    19,572.04/27,009.89 = 10,619.92/x
  3. Step 3: Cross multiply
    19,572.04x = 27,009.89 × 10,619.92
  4. Step 4: Simplify right side
    19,572.04x = 286,842,871.01
  5. Step 5: Solve for x
    x = 286,842,871.01/19,572.04
  6. Step 6: Final answer
    x = 14,655.75

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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.