Home / 20,527.06-28,316.40-13,801.14

Finding the Fourth Proportional to 20,527.06, 28,316.40 and 13,801.14

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Solution

The fourth proportional to 20,527.06, 28,316.40 and 13,801.14 is: 19,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527.06 : 28,316.40 = 13,801.14 : x
  2. Step 2: Convert to fraction form
    20,527.06/28,316.40 = 13,801.14/x
  3. Step 3: Cross multiply
    20,527.06x = 28,316.40 × 13,801.14
  4. Step 4: Simplify right side
    20,527.06x = 390,798,600.70
  5. Step 5: Solve for x
    x = 390,798,600.70/20,527.06
  6. Step 6: Final answer
    x = 19,038.22

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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.