Home / 25,301.79-37,925.96-8,430.24

Finding the Fourth Proportional to 25,301.79, 37,925.96 and 8,430.24

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Solution

The fourth proportional to 25,301.79, 37,925.96 and 8,430.24 is: 12,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.79 : 37,925.96 = 8,430.24 : x
  2. Step 2: Convert to fraction form
    25,301.79/37,925.96 = 8,430.24/x
  3. Step 3: Cross multiply
    25,301.79x = 37,925.96 × 8,430.24
  4. Step 4: Simplify right side
    25,301.79x = 319,724,713.25
  5. Step 5: Solve for x
    x = 319,724,713.25/25,301.79
  6. Step 6: Final answer
    x = 12,636.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.