Home / 14,365.64-21,547.78-5,007.76

Finding the Fourth Proportional to 14,365.64, 21,547.78 and 5,007.76

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Solution

The fourth proportional to 14,365.64, 21,547.78 and 5,007.76 is: 7,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,365.64 : 21,547.78 = 5,007.76 : x
  2. Step 2: Convert to fraction form
    14,365.64/21,547.78 = 5,007.76/x
  3. Step 3: Cross multiply
    14,365.64x = 21,547.78 × 5,007.76
  4. Step 4: Simplify right side
    14,365.64x = 107,906,110.77
  5. Step 5: Solve for x
    x = 107,906,110.77/14,365.64
  6. Step 6: Final answer
    x = 7,511.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.