Home / 18,510.10-25,527.48-13,486.08

Finding the Fourth Proportional to 18,510.10, 25,527.48 and 13,486.08

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Solution

The fourth proportional to 18,510.10, 25,527.48 and 13,486.08 is: 18,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.10 : 25,527.48 = 13,486.08 : x
  2. Step 2: Convert to fraction form
    18,510.10/25,527.48 = 13,486.08/x
  3. Step 3: Cross multiply
    18,510.10x = 25,527.48 × 13,486.08
  4. Step 4: Simplify right side
    18,510.10x = 344,265,637.48
  5. Step 5: Solve for x
    x = 344,265,637.48/18,510.10
  6. Step 6: Final answer
    x = 18,598.80

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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.