Home / 26,420.96-36,460.88-14,484.72

Finding the Fourth Proportional to 26,420.96, 36,460.88 and 14,484.72

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Solution

The fourth proportional to 26,420.96, 36,460.88 and 14,484.72 is: 19,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,420.96 : 36,460.88 = 14,484.72 : x
  2. Step 2: Convert to fraction form
    26,420.96/36,460.88 = 14,484.72/x
  3. Step 3: Cross multiply
    26,420.96x = 36,460.88 × 14,484.72
  4. Step 4: Simplify right side
    26,420.96x = 528,125,637.75
  5. Step 5: Solve for x
    x = 528,125,637.75/26,420.96
  6. Step 6: Final answer
    x = 19,988.89

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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.