Home / 19,300.12-26,646.16-14,815.32

Finding the Fourth Proportional to 19,300.12, 26,646.16 and 14,815.32

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Solution

The fourth proportional to 19,300.12, 26,646.16 and 14,815.32 is: 20,454.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.12 : 26,646.16 = 14,815.32 : x
  2. Step 2: Convert to fraction form
    19,300.12/26,646.16 = 14,815.32/x
  3. Step 3: Cross multiply
    19,300.12x = 26,646.16 × 14,815.32
  4. Step 4: Simplify right side
    19,300.12x = 394,771,387.17
  5. Step 5: Solve for x
    x = 394,771,387.17/19,300.12
  6. Step 6: Final answer
    x = 20,454.35

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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.