Home / 29,381.63-40,547.52-15,953.76

Finding the Fourth Proportional to 29,381.63, 40,547.52 and 15,953.76

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Solution

The fourth proportional to 29,381.63, 40,547.52 and 15,953.76 is: 22,016.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381.63 : 40,547.52 = 15,953.76 : x
  2. Step 2: Convert to fraction form
    29,381.63/40,547.52 = 15,953.76/x
  3. Step 3: Cross multiply
    29,381.63x = 40,547.52 × 15,953.76
  4. Step 4: Simplify right side
    29,381.63x = 646,885,199.94
  5. Step 5: Solve for x
    x = 646,885,199.94/29,381.63
  6. Step 6: Final answer
    x = 22,016.65

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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.