Home / 19,239.68-26,561.81-14,666.47

Finding the Fourth Proportional to 19,239.68, 26,561.81 and 14,666.47

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Solution

The fourth proportional to 19,239.68, 26,561.81 and 14,666.47 is: 20,248.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.68 : 26,561.81 = 14,666.47 : x
  2. Step 2: Convert to fraction form
    19,239.68/26,561.81 = 14,666.47/x
  3. Step 3: Cross multiply
    19,239.68x = 26,561.81 × 14,666.47
  4. Step 4: Simplify right side
    19,239.68x = 389,567,959.77
  5. Step 5: Solve for x
    x = 389,567,959.77/19,239.68
  6. Step 6: Final answer
    x = 20,248.15

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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.