Home / 19,502.02-26,903.28-12,784.70

Finding the Fourth Proportional to 19,502.02, 26,903.28 and 12,784.70

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Solution

The fourth proportional to 19,502.02, 26,903.28 and 12,784.70 is: 17,636.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.02 : 26,903.28 = 12,784.70 : x
  2. Step 2: Convert to fraction form
    19,502.02/26,903.28 = 12,784.70/x
  3. Step 3: Cross multiply
    19,502.02x = 26,903.28 × 12,784.70
  4. Step 4: Simplify right side
    19,502.02x = 343,950,363.82
  5. Step 5: Solve for x
    x = 343,950,363.82/19,502.02
  6. Step 6: Final answer
    x = 17,636.65

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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.