Home / 19,586.10-27,030.12-11,088.21

Finding the Fourth Proportional to 19,586.10, 27,030.12 and 11,088.21

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Solution

The fourth proportional to 19,586.10, 27,030.12 and 11,088.21 is: 15,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.10 : 27,030.12 = 11,088.21 : x
  2. Step 2: Convert to fraction form
    19,586.10/27,030.12 = 11,088.21/x
  3. Step 3: Cross multiply
    19,586.10x = 27,030.12 × 11,088.21
  4. Step 4: Simplify right side
    19,586.10x = 299,715,646.89
  5. Step 5: Solve for x
    x = 299,715,646.89/19,586.10
  6. Step 6: Final answer
    x = 15,302.47

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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.