Home / 19,937.10-29,905.65-17,345.10

Finding the Fourth Proportional to 19,937.10, 29,905.65 and 17,345.10

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Solution

The fourth proportional to 19,937.10, 29,905.65 and 17,345.10 is: 26,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.10 : 29,905.65 = 17,345.10 : x
  2. Step 2: Convert to fraction form
    19,937.10/29,905.65 = 17,345.10/x
  3. Step 3: Cross multiply
    19,937.10x = 29,905.65 × 17,345.10
  4. Step 4: Simplify right side
    19,937.10x = 518,716,489.82
  5. Step 5: Solve for x
    x = 518,716,489.82/19,937.10
  6. Step 6: Final answer
    x = 26,017.65

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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.