Home / 19,547.39-29,320.67-4,756.38

Finding the Fourth Proportional to 19,547.39, 29,320.67 and 4,756.38

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Solution

The fourth proportional to 19,547.39, 29,320.67 and 4,756.38 is: 7,134.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.39 : 29,320.67 = 4,756.38 : x
  2. Step 2: Convert to fraction form
    19,547.39/29,320.67 = 4,756.38/x
  3. Step 3: Cross multiply
    19,547.39x = 29,320.67 × 4,756.38
  4. Step 4: Simplify right side
    19,547.39x = 139,460,224.59
  5. Step 5: Solve for x
    x = 139,460,224.59/19,547.39
  6. Step 6: Final answer
    x = 7,134.47

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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.