Home / 19,360.68-26,713.67-12,656.13

Finding the Fourth Proportional to 19,360.68, 26,713.67 and 12,656.13

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Solution

The fourth proportional to 19,360.68, 26,713.67 and 12,656.13 is: 17,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.68 : 26,713.67 = 12,656.13 : x
  2. Step 2: Convert to fraction form
    19,360.68/26,713.67 = 12,656.13/x
  3. Step 3: Cross multiply
    19,360.68x = 26,713.67 × 12,656.13
  4. Step 4: Simplify right side
    19,360.68x = 338,091,617.02
  5. Step 5: Solve for x
    x = 338,091,617.02/19,360.68
  6. Step 6: Final answer
    x = 17,462.80

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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.