Home / 25,637.95-35,381.72-15,031.00

Finding the Fourth Proportional to 25,637.95, 35,381.72 and 15,031.00

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Solution

The fourth proportional to 25,637.95, 35,381.72 and 15,031.00 is: 20,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.95 : 35,381.72 = 15,031.00 : x
  2. Step 2: Convert to fraction form
    25,637.95/35,381.72 = 15,031.00/x
  3. Step 3: Cross multiply
    25,637.95x = 35,381.72 × 15,031.00
  4. Step 4: Simplify right side
    25,637.95x = 531,822,381.26
  5. Step 5: Solve for x
    x = 531,822,381.26/25,637.95
  6. Step 6: Final answer
    x = 20,743.57

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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.