Home / 19,357.49-26,713.59-10,861.45

Finding the Fourth Proportional to 19,357.49, 26,713.59 and 10,861.45

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Solution

The fourth proportional to 19,357.49, 26,713.59 and 10,861.45 is: 14,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.49 : 26,713.59 = 10,861.45 : x
  2. Step 2: Convert to fraction form
    19,357.49/26,713.59 = 10,861.45/x
  3. Step 3: Cross multiply
    19,357.49x = 26,713.59 × 10,861.45
  4. Step 4: Simplify right side
    19,357.49x = 290,148,322.11
  5. Step 5: Solve for x
    x = 290,148,322.11/19,357.49
  6. Step 6: Final answer
    x = 14,988.94

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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.