Home / 19,281.98-26,609.05-10,784.06

Finding the Fourth Proportional to 19,281.98, 26,609.05 and 10,784.06

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Solution

The fourth proportional to 19,281.98, 26,609.05 and 10,784.06 is: 14,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.98 : 26,609.05 = 10,784.06 : x
  2. Step 2: Convert to fraction form
    19,281.98/26,609.05 = 10,784.06/x
  3. Step 3: Cross multiply
    19,281.98x = 26,609.05 × 10,784.06
  4. Step 4: Simplify right side
    19,281.98x = 286,953,721.64
  5. Step 5: Solve for x
    x = 286,953,721.64/19,281.98
  6. Step 6: Final answer
    x = 14,881.97

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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.