Home / 19,068.78-26,314.50-10,570.86

Finding the Fourth Proportional to 19,068.78, 26,314.50 and 10,570.86

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Solution

The fourth proportional to 19,068.78, 26,314.50 and 10,570.86 is: 14,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068.78 : 26,314.50 = 10,570.86 : x
  2. Step 2: Convert to fraction form
    19,068.78/26,314.50 = 10,570.86/x
  3. Step 3: Cross multiply
    19,068.78x = 26,314.50 × 10,570.86
  4. Step 4: Simplify right side
    19,068.78x = 278,166,895.47
  5. Step 5: Solve for x
    x = 278,166,895.47/19,068.78
  6. Step 6: Final answer
    x = 14,587.56

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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.