Home / 18,567.04-27,875.52-18,371.20

Finding the Fourth Proportional to 18,567.04, 27,875.52 and 18,371.20

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Solution

The fourth proportional to 18,567.04, 27,875.52 and 18,371.20 is: 27,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.04 : 27,875.52 = 18,371.20 : x
  2. Step 2: Convert to fraction form
    18,567.04/27,875.52 = 18,371.20/x
  3. Step 3: Cross multiply
    18,567.04x = 27,875.52 × 18,371.20
  4. Step 4: Simplify right side
    18,567.04x = 512,106,753.02
  5. Step 5: Solve for x
    x = 512,106,753.02/18,567.04
  6. Step 6: Final answer
    x = 27,581.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.