Home / 19,110.79-26,373.13-10,613.45

Finding the Fourth Proportional to 19,110.79, 26,373.13 and 10,613.45

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Solution

The fourth proportional to 19,110.79, 26,373.13 and 10,613.45 is: 14,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.79 : 26,373.13 = 10,613.45 : x
  2. Step 2: Convert to fraction form
    19,110.79/26,373.13 = 10,613.45/x
  3. Step 3: Cross multiply
    19,110.79x = 26,373.13 × 10,613.45
  4. Step 4: Simplify right side
    19,110.79x = 279,909,896.60
  5. Step 5: Solve for x
    x = 279,909,896.60/19,110.79
  6. Step 6: Final answer
    x = 14,646.69

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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.