Home / 19,655.10-27,124.08-10,702.65

Finding the Fourth Proportional to 19,655.10, 27,124.08 and 10,702.65

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Solution

The fourth proportional to 19,655.10, 27,124.08 and 10,702.65 is: 14,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.10 : 27,124.08 = 10,702.65 : x
  2. Step 2: Convert to fraction form
    19,655.10/27,124.08 = 10,702.65/x
  3. Step 3: Cross multiply
    19,655.10x = 27,124.08 × 10,702.65
  4. Step 4: Simplify right side
    19,655.10x = 290,299,534.81
  5. Step 5: Solve for x
    x = 290,299,534.81/19,655.10
  6. Step 6: Final answer
    x = 14,769.68

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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.