Home / 35,430.12-53,151.66-14,655.24

Finding the Fourth Proportional to 35,430.12, 53,151.66 and 14,655.24

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Solution

The fourth proportional to 35,430.12, 53,151.66 and 14,655.24 is: 21,985.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.12 : 53,151.66 = 14,655.24 : x
  2. Step 2: Convert to fraction form
    35,430.12/53,151.66 = 14,655.24/x
  3. Step 3: Cross multiply
    35,430.12x = 53,151.66 × 14,655.24
  4. Step 4: Simplify right side
    35,430.12x = 778,950,333.70
  5. Step 5: Solve for x
    x = 778,950,333.70/35,430.12
  6. Step 6: Final answer
    x = 21,985.54

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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.