Home / 20,746.08-28,626.12-19,695.24

Finding the Fourth Proportional to 20,746.08, 28,626.12 and 19,695.24

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Solution

The fourth proportional to 20,746.08, 28,626.12 and 19,695.24 is: 27,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746.08 : 28,626.12 = 19,695.24 : x
  2. Step 2: Convert to fraction form
    20,746.08/28,626.12 = 19,695.24/x
  3. Step 3: Cross multiply
    20,746.08x = 28,626.12 × 19,695.24
  4. Step 4: Simplify right side
    20,746.08x = 563,798,303.67
  5. Step 5: Solve for x
    x = 563,798,303.67/20,746.08
  6. Step 6: Final answer
    x = 27,176.14

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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.