Home / 19,345.89-26,700.32-10,851.45

Finding the Fourth Proportional to 19,345.89, 26,700.32 and 10,851.45

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Solution

The fourth proportional to 19,345.89, 26,700.32 and 10,851.45 is: 14,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.89 : 26,700.32 = 10,851.45 : x
  2. Step 2: Convert to fraction form
    19,345.89/26,700.32 = 10,851.45/x
  3. Step 3: Cross multiply
    19,345.89x = 26,700.32 × 10,851.45
  4. Step 4: Simplify right side
    19,345.89x = 289,737,114.47
  5. Step 5: Solve for x
    x = 289,737,114.47/19,345.89
  6. Step 6: Final answer
    x = 14,976.67

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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.