Home / 19,477.32-26,881.29-10,981.05

Finding the Fourth Proportional to 19,477.32, 26,881.29 and 10,981.05

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Solution

The fourth proportional to 19,477.32, 26,881.29 and 10,981.05 is: 15,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.32 : 26,881.29 = 10,981.05 : x
  2. Step 2: Convert to fraction form
    19,477.32/26,881.29 = 10,981.05/x
  3. Step 3: Cross multiply
    19,477.32x = 26,881.29 × 10,981.05
  4. Step 4: Simplify right side
    19,477.32x = 295,184,789.55
  5. Step 5: Solve for x
    x = 295,184,789.55/19,477.32
  6. Step 6: Final answer
    x = 15,155.31

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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.