Home / 22,855.95-31,547.07-13,909.74

Finding the Fourth Proportional to 22,855.95, 31,547.07 and 13,909.74

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Solution

The fourth proportional to 22,855.95, 31,547.07 and 13,909.74 is: 19,199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.95 : 31,547.07 = 13,909.74 : x
  2. Step 2: Convert to fraction form
    22,855.95/31,547.07 = 13,909.74/x
  3. Step 3: Cross multiply
    22,855.95x = 31,547.07 × 13,909.74
  4. Step 4: Simplify right side
    22,855.95x = 438,811,541.46
  5. Step 5: Solve for x
    x = 438,811,541.46/22,855.95
  6. Step 6: Final answer
    x = 19,199.01

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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.