Home / 19,784.65-27,302.73-10,709.99

Finding the Fourth Proportional to 19,784.65, 27,302.73 and 10,709.99

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Solution

The fourth proportional to 19,784.65, 27,302.73 and 10,709.99 is: 14,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,784.65 : 27,302.73 = 10,709.99 : x
  2. Step 2: Convert to fraction form
    19,784.65/27,302.73 = 10,709.99/x
  3. Step 3: Cross multiply
    19,784.65x = 27,302.73 × 10,709.99
  4. Step 4: Simplify right side
    19,784.65x = 292,411,965.27
  5. Step 5: Solve for x
    x = 292,411,965.27/19,784.65
  6. Step 6: Final answer
    x = 14,779.74

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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.