Home / 19,459.16-26,864.70-12,854.36

Finding the Fourth Proportional to 19,459.16, 26,864.70 and 12,854.36

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Solution

The fourth proportional to 19,459.16, 26,864.70 and 12,854.36 is: 17,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.16 : 26,864.70 = 12,854.36 : x
  2. Step 2: Convert to fraction form
    19,459.16/26,864.70 = 12,854.36/x
  3. Step 3: Cross multiply
    19,459.16x = 26,864.70 × 12,854.36
  4. Step 4: Simplify right side
    19,459.16x = 345,328,525.09
  5. Step 5: Solve for x
    x = 345,328,525.09/19,459.16
  6. Step 6: Final answer
    x = 17,746.32

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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.