Home / 25,572.08-35,298.60-15,496.40

Finding the Fourth Proportional to 25,572.08, 35,298.60 and 15,496.40

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Solution

The fourth proportional to 25,572.08, 35,298.60 and 15,496.40 is: 21,390.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,572.08 : 35,298.60 = 15,496.40 : x
  2. Step 2: Convert to fraction form
    25,572.08/35,298.60 = 15,496.40/x
  3. Step 3: Cross multiply
    25,572.08x = 35,298.60 × 15,496.40
  4. Step 4: Simplify right side
    25,572.08x = 547,001,225.04
  5. Step 5: Solve for x
    x = 547,001,225.04/25,572.08
  6. Step 6: Final answer
    x = 21,390.56

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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.