Home / 19,933.30-27,509.91-14,888.77

Finding the Fourth Proportional to 19,933.30, 27,509.91 and 14,888.77

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Solution

The fourth proportional to 19,933.30, 27,509.91 and 14,888.77 is: 20,547.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.30 : 27,509.91 = 14,888.77 : x
  2. Step 2: Convert to fraction form
    19,933.30/27,509.91 = 14,888.77/x
  3. Step 3: Cross multiply
    19,933.30x = 27,509.91 × 14,888.77
  4. Step 4: Simplify right side
    19,933.30x = 409,588,722.71
  5. Step 5: Solve for x
    x = 409,588,722.71/19,933.30
  6. Step 6: Final answer
    x = 20,547.96

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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.