Home / 15,411.03-23,005.04-13,542.67

Finding the Fourth Proportional to 15,411.03, 23,005.04 and 13,542.67

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Solution

The fourth proportional to 15,411.03, 23,005.04 and 13,542.67 is: 20,216.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.03 : 23,005.04 = 13,542.67 : x
  2. Step 2: Convert to fraction form
    15,411.03/23,005.04 = 13,542.67/x
  3. Step 3: Cross multiply
    15,411.03x = 23,005.04 × 13,542.67
  4. Step 4: Simplify right side
    15,411.03x = 311,549,665.06
  5. Step 5: Solve for x
    x = 311,549,665.06/15,411.03
  6. Step 6: Final answer
    x = 20,216.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.